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Collimated LED Light Sources for Microscopy


  • UV, Visible, and IR LEDs
  • Mounted LED with Adjustable Collimation Optic
  • Epi-Illumination Port Compatible with Olympus, Leica, Nikon,
    and Zeiss Microscopes

M625L3-C1

For Olympus BX/IX
Microscopes

M625L3-C5

For Nikon Eclipse
Microscopes

M625L3-C2

For Leica DMI
Microscopes

M625L3-C4

For Zeiss Axioskop
Microscopes

M505L3-C1 Used
as a Light Source for
an Olympus IX71

Related Items

Item #
Prefix
ColoraSpectruma
(Click for Details)
Nominal
Wavelengtha,b
M365L2c UV Click for Spectrum Raw Data 365 nm
M385L2c UV Click for Spectrum Raw Data 385 nm
M405L2c UV Click for Spectrum Raw Data 405 nm
M455L3 Royal Blue Click for Spectrum Raw Data 455 nm
M470L3 Blue Click for Spectrum Raw Data 470 nm
M505L3 Cyan Click for Spectrum Raw Data 505 nm
M530L3 Green Click for Spectrum Raw Data 530 nm
M590L3 Amber Click for Spectrum Raw Data 590 nm
M617L3 Orange Click for Spectrum Raw Data 617 nm
M625L3 Red Click for Spectrum Raw Data 625 nm
M660L3 Deep Red Click for Spectrum Raw Data 660 nm
M730L4 Far Red Click for Spectrum Raw Data 730 nm
M780L3 IR Click for Spectrum Raw Data 780 nm
M810L3 IR Click for Spectrum Raw Data 810 nm
M850L3 IR Click for Spectrum Raw Data 850 nm
M940L3 IR Click for Spectrum Raw Data 940 nm
MCWHL5 Cold White Click for Spectrum Raw Data 6500 Kc
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. Output plots and center wavelength specs are only intended to be used as a guideline. See the tables below for the output power through the collimation package for each LED.
  • For LEDs in the visible spectrum, the nominal wavelength indicates the wavelength at which the LED appears brightest to the human eye. For UV and IR LEDs, the nominal wavelength corresponds to the peak wavelength. The nominal wavelength for visible LEDs may not correspond to the peak wavelength as measured by a spectrograph.
  • Our 365 nm to 405 nm LEDs radiate intense UV light during operation. Precautions must be taken to prevent looking directly at the UV light and UV light protective glasses must be worn to avoid eye damage. Exposure of the skin and other body parts to the UV light should be avoided.
  • Correlated color temperature.

Features

  • Illumination Source for Microscope Epi-Illumination Ports, Projectors, and Custom Imaging Systems
  • Optimized Thermal Management Provides Output Intensity Stability
  • Adjustable Aspheric Collimation Optic with Low f/# (Approximately 0.8)
  • Integrated Identification Chip (EEPROM) Stores LED Operating Parameters
  • 4-Pin Female Mating Connector for Custom Power Supplies can be Purchased Separately
  • Custom Adapters Available - Contact Tech Support for Details

Thorlabs' collimated LED assemblies can be easily connected to standard and epi-illumination ports on most readily available commercial microscopes, including Olympus,* Leica, Nikon, and Zeiss. Each collimated LED consists of a high-power mounted LED and a lamphouse-port-compatible housing that contains an AR-coated aspheric collimation optic (see the Specs tab for details). The collimation of the beam can be adjusted by changing the position of the aspheric lens with respect to the LED. Interchanging LEDs is easy; simply unscrew one LED from the housing and replace it with a different mounted LED (purchased separately). If the wavelength you require is not sold on this page, our mounted high-power LEDs are available in additional wavelengths. We also offer collimation packages, which can be purchased separately from these LEDs.

The approximate total beam power through the collimation adapter is given in the tables below and on the Specs tab. The actual power at the sample plane will be lower due to losses specific to the optical set up of the microscope. If you wish to measure the power at the sample plane for your particular microscope setup, Thorlabs also offers a microscope slide power meter.

Like our high-power mounted LEDs, the package of these collimated LEDs is in direct contact with the heat sink to provide excellent thermal management. This minimizes the degradation of optical output power caused by increased LED temperatures. Please see the Stability tab for information on the stable output intensity of these collimated LEDs.

If compatibility with SM1 (1.035"-40) threading is preferable to compatibility with a microscope for your application, our mounted LEDs can be collimated using a Ø1" lens and lens tubes. This collimation method also allows for a smaller beam size than the collimators on this page. Please see the Collimation tab on our Mounted LEDs presentation for a detailed item list and instructions.

Compatible Controllers
Information concerning compatible controllers is provided on the LED Drivers tab. If the LED is driven with a DC2100, DC4100, or DC4104 controller, the integrated EEPROM chip will identify the LED and allow the controller to automatically set the proper current limit to protect the LED from being overdriven. The DC4100 and DC4104 require the DC4100-HUB when used with these LEDs.

*Due to the optical design of the transmitted lamphouse port of the BX and IX microscopes, it may be necessary to purchase a separate adapter available from Olympus.

Common LED Specificationsa

Item # PrefixNominal
Wavelengthb,c
ColorbSpectrumb
(Click for Details)
Min LED
Powerd,d
Typ. LED
Powerb,d
Max Drive
Current (CW)
Typical
Lifetime
Included
Collimation Lens
M365L2 365 nm UV Click for Spectrum Raw Data 190 mW 360 mW 700 mA >10 000 h ACL5040-A
M385L2 385 nm UV Click for Spectrum Raw Data 270 mW 430 mW 700 mA >10 000 h ACL5040-A
M405L2 405 nm UV Click for Spectrum Raw Data 410 mW 760 mW 1000 mA 100 000 h ACL5040-A
M455L3 455 nm Royal Blue Click for Spectrum Raw Data 900 mW 1020 mW 1000 mA 100 000 h ACL5040-A
M470L3 470 nm Blue Click for Spectrum Raw Data 650 mW 710 mW 1000 mA 100 000 h ACL5040-A
M505L3 505 nm Cyan Click for Spectrum Raw Data 400 mW 440 mW 1000 mA 100 000 h ACL5040-A
M530L3 530 nm Green Click for Spectrum Raw Data 350 mW 370 mW 1000 mA 100 000 h ACL5040-A
M590L3 590 nm Amber Click for Spectrum Raw Data 160 mW 170 mW 1000 mA 100 000 h ACL5040-A
M617L3 617 nm Orange Click for Spectrum Raw Data 600 mW 650 mW 1000 mA 100 000 h ACL5040-A
M625L3 625 nm Red Click for Spectrum Raw Data 700 mW 770 mW 1000 mA 100 000 h ACL5040-A
M660L3 660 nm Deep Red Click for Spectrum Raw Data 640 mW 700 mW 1200 mA >65 000 h ACL5040-A
M730L4 730 nm Far Red Click for Spectrum Raw Data 515 mW 595 mW 1000 mA >10 000 h ACL5040-B
M780L3 780 nm IR Click for Spectrum Raw Data 200 mW 300 mW 800 mA >10 000 h ACL5040-B
M810L3 810 nm IR Click for Spectrum Raw Data 325 mW 375 mW 500 mA >10 000 h ACL5040-B
M850L3 850 nm IR Click for Spectrum Raw Data 900 mW 1100 mW 1000 mA 100 000 h ACL5040-B
M940L3 940 nm IR Click for Spectrum Raw Data 800 mW 1000 mW 1000 mA 100 000 h ACL5040-B
MCWHL5e 6500 Kf Cold White Click for Spectrum Raw Data 800 mW 840 mW 1000 mA 100 000 h ACL5040-A
  • Specifications for the LEDs without collimating adapters are given in this table. Please see the second table on this tab for specifications pertaining to the LED with the collimating adapter attached.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the actual spectral output of any given LED will vary. Output plots and center wavelength specs are only intended to be used as a guideline.
  • For LEDs in the visible spectrum, the nominal wavelength indicates the wavelength at which the LED appears brightest to the human eye. For UV and IR LEDs, the nominal wavelength corresponds to the peak wavelength. The nominal wavelength for visible LEDs may not correspond to the peak wavelength as measured by a spectrograph.
  • For the bare LED. See the table below for total beam power with the collimation package.
  • The MCWHL5-C LEDs may not turn off completely when modulated at frequencies above 5 kHz, as the white light is produced by optically stimulating emission from phosphor.
  • Correlated color temperature. The wavelength range corresponding to >10% power is approximately 435 - 675 nm.

Specifications for LED with Collimating Microscope Adapter Attached

Item # Suffix-C1-C2-C4-C5
Compatible Microscopea Olympus BX and IX Leica DMI Zeiss Axioskop Nikon Eclipse (Bayonet Mount)
Beam Diameterb,c 50 mm 37 mm 44 mm 43 mm
Beam Areab 1960 mm² 1080 mm² 1520 mm² 1450 mm²
Item # Prefix Total Beam Powerb
M365L2 120 mW 60 mW 80 mW 80 mW
M385L2 170 mW 90 mW 110 mW 120 mW
M405L2 440 mW 260 mW 360 mW 360 mW
M455L3 500 mW 360 mW 430 mW 400 mW
M470L3 350 mW 250 mW 310 mW 300 mW
M505L3 210 mW 150 mW 180 mW 170 mW
M530L3 170 mW 130 mW 150 mW 150 mW
M590L3 80 mW 60 mW 70 mW 70 mW
M617L3 320 mW 230 mW 280 mW 260 mW
M625L3 380 mW 270 mW 330 mW 300 mW
M660L3 600 mW 370 mW 420 mW 410 mW
M730L4 240 mW 165 mW 195 mW 208 mW
M780L3 210 mW 130 mW 180 mW 170 mW
M810L3 245 mW 210 mW 230 mW 225 mW
M850L3 480 mW 330 mW 400 mW 370 mW
M940L3 430 mW 320 mW 380 mW 340 mW
MCWHL5 440 mW 320 mW 380 mW 340 mW
  • Standard or Epi-Illumination Port Required.
  • Due to variations in the manufacturing process and operating parameters such as temperature and current, the total beam power, beam diameter, and beam area of any given LED will vary.
  • At the output aperture of the collimation package.

The actual spectral output and total output power of any given LED will vary due to variations in the manufacturing process and operating parameters, such as temperature and current. The typical total beam power of each collimated LED is specified to help you select an LED that suits your needs. In order to provide a point of comparison for the relative powers of LEDs with different nominal wavelengths, the spectra in the plots below have been scaled to the typical total beam power of each collimated LED. An Excel file containing the normalized and scaled spectra for each collimation package can be downloaded using the link below each plot.

Collimated LEDs for Olympus BX and IX Microscopes

Olympus BX and IX Collimated LED
Click to Enlarge

An Excel file containing the data shown in the plot above may be found here.

Collimated LEDs for Leica DMI Microscopes

Leica DMI Collimated LED
Click to Enlarge

An Excel file containing the data shown in the plot above may be found here.

Collimated LEDs for Zeiss Axioskop Microscopes

Zeiss Axioskop Collimated LED
Click to Enlarge

An Excel file containing the data shown in the plot above may be found here.

Collimated LEDs for Nikon Eclipse Microscopes

Nikon Eclipse Collimated LED
Click to Enlarge

An Excel file containing the data shown in the plot above may be found here.

Optimized Thermal Management

The thermal dissipation performance of these collimated LEDs has been optimized for stable power output. The heat sink is directly mounted to the LED mount so as to provide optimal thermal contact. By doing so, the degradation of optical output power that can be attributed to increased LED junction temperature is minimized (see the graph to the right).

PinSpecificationColor
1LED AnodeBrown
2LED CathodeWhite
3EEPROM GNDBlack
4EEPROM IOBlue

Pin Out

Pin Connection - Male

The diagram to the right shows the male connector of the collimated LED assembly. It is a standard M8 x 1 sensor circular connector. Pins 1 and 2 are the connection to the LED. Pin 3 and 4 are used for the internal EEPROM in these LEDs. If using an LED driver that was not purchased from Thorlabs, be careful that the appropriate connections are made to Pin 1 and Pin 2 and that you do not attempt to drive the LED through the EEPROM pins.

Compatible DriversLEDD1BDC2100aDC4100a,bDC4104a,b
Click Photos to EnlargeLEDD1B DriverDC2100 DriverDC4100 DriverDC4104 Driver
Max LED Driver Current Output1.2 A2.0 A1.0 A per Channel1.0 A per Channel
Max LED Driver Forward Voltage12 V24 V5 V5 V
Max Modulation Frequency Using External Input5 kHz100 kHzc100 kHzc
(Simultaneous Across all Channels)
100 kHzc
(Independently Controlled Channels)
External Control Interface(s)Analog (BNC)USB 2.0 and Analog (BNC)USB 2.0 and Analog (BNC)USB 2.0 and Analog (8-Pin)
Main Driver FeaturesVery Compact Footprint
60 mm x 73 mm x 104 mm
(W x H x D)
Individual Pulse Width Control4 Channelsb4 Channelsb
EEPROM Compatible: Reads Out LED Data for LED Settings-
LCD Display-
  • Automatically limits to LED's max current via EEPROM readout.
  • The DC4100 or DC4104 can power and control up to four LEDs simultaneously when used with the DC4100-HUB. The LEDs on this page all require the DC4100-HUB when used with the DC4100 or DC4104.
  • The MCWHL5-C LEDs may not turn off completely when modulated at frequencies above 5 kHz, as the white light is produced by optically stimulating emission from phosphor.

Note: The LEDs on this page are not compatible with the DC3100 drivers sold with our Modulated LEDs for FLIM Microscopy kits.

Click the Support Documentation icon document icon or Part Number below to view the available support documentation
Part NumberProduct Description
CON8ML-4 Support Documentation CON8ML-4:4-Pin Female Mating Connector for Mounted LEDs
M365L2-C1 Support Documentation M365L2-C1:UV (365 nm) Collimated LED for Olympus BX & IX, 700 mA
M365L2-C2 Support Documentation M365L2-C2:UV (365 nm) Collimated LED for Leica DMI, 700 mA
M365L2-C4 Support Documentation M365L2-C4:UV (365 nm) Collimated LED for Zeiss Axioskop, 700 mA
M365L2-C5 Support Documentation M365L2-C5:UV (365 nm) Collimated LED for Nikon Eclipse, 700 mA
M385L2-C1 Support Documentation M385L2-C1:UV (385 nm) Collimated LED for Olympus BX & IX, 700 mA
M385L2-C2 Support Documentation M385L2-C2:UV (385 nm) Collimated LED for Leica DMI, 700 mA
M385L2-C4 Support Documentation M385L2-C4:UV (385 nm) Collimated LED for Zeiss Axioskop, 700 mA
M385L2-C5 Support Documentation M385L2-C5:UV (385 nm) Collimated LED for Nikon Eclipse, 700 mA
M405L2-C1 Support Documentation M405L2-C1:UV (405 nm) Collimated LED for Olympus BX & IX, 1000 mA
M405L2-C2 Support Documentation M405L2-C2:UV (405 nm) Collimated LED for Leica DMI, 1000 mA
M405L2-C4 Support Documentation M405L2-C4:UV (405 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M405L2-C5 Support Documentation M405L2-C5:UV (405 nm) Collimated LED for Nikon Eclipse, 1000 mA
M455L3-C1 Support Documentation M455L3-C1:Royal Blue (455 nm) Collimated LED for Olympus BX & IX, 1000 mA
M455L3-C2 Support Documentation M455L3-C2:Royal Blue (455 nm) Collimated LED for Leica DMI, 1000 mA
M455L3-C4 Support Documentation M455L3-C4:Royal Blue (455 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M455L3-C5 Support Documentation M455L3-C5:Royal Blue (455 nm) Collimated LED for Nikon Eclipse, 1000 mA
M470L3-C1 Support Documentation M470L3-C1:Blue (470 nm) Collimated LED for Olympus BX & IX, 1000 mA
M470L3-C2 Support Documentation M470L3-C2:Blue (470 nm) Collimated LED for Leica DMI, 1000 mA
M470L3-C4 Support Documentation M470L3-C4:Blue (470 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M470L3-C5 Support Documentation M470L3-C5:Blue (470 nm) Collimated LED for Nikon Eclipse, 1000 mA
M505L3-C1 Support Documentation M505L3-C1:Cyan (505 nm) Collimated LED for Olympus BX & IX, 1000 mA
M505L3-C2 Support Documentation M505L3-C2:Cyan (505 nm) Collimated LED for Leica DMI, 1000 mA
M505L3-C4 Support Documentation M505L3-C4:Cyan (505 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M505L3-C5 Support Documentation M505L3-C5:Cyan (505 nm) Collimated LED for Nikon Eclipse, 1000 mA
M530L3-C1 Support Documentation M530L3-C1:Green (530 nm) Collimated LED for Olympus BX & IX, 1000 mA
M530L3-C2 Support Documentation M530L3-C2:Green (530 nm) Collimated LED for Leica DMI, 1000 mA
M530L3-C4 Support Documentation M530L3-C4:Green (530 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M530L3-C5 Support Documentation M530L3-C5:Green (530 nm) Collimated LED for Nikon Eclipse, 1000 mA
M590L3-C1 Support Documentation M590L3-C1:Amber (590 nm) Collimated LED for Olympus BX & IX, 1000 mA
M590L3-C2 Support Documentation M590L3-C2:Amber (590 nm) Collimated LED for Leica DMI, 1000 mA
M590L3-C4 Support Documentation M590L3-C4:Amber (590 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M590L3-C5 Support Documentation M590L3-C5:Amber (590 nm) Collimated LED for Nikon Eclipse, 1000 mA
M617L3-C1 Support Documentation M617L3-C1:Orange (617 nm) Collimated LED for Olympus BX & IX, 1000 mA
M617L3-C2 Support Documentation M617L3-C2:Orange (617 nm) Collimated LED for Leica DMI, 1000 mA
Part NumberProduct Description
M617L3-C4 Support Documentation M617L3-C4:Orange (617 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M617L3-C5 Support Documentation M617L3-C5:Orange (617 nm) Collimated LED for Nikon Eclipse, 1000 mA
M625L3-C1 Support Documentation M625L3-C1:Red (625 nm) Collimated LED for Olympus BX & IX, 1000 mA
M625L3-C2 Support Documentation M625L3-C2:Red (625 nm) Collimated LED for Leica DMI, 1000 mA
M625L3-C4 Support Documentation M625L3-C4:Red (625 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M625L3-C5 Support Documentation M625L3-C5:Red (625 nm) Collimated LED for Nikon Eclipse, 1000 mA
M660L3-C1 Support Documentation M660L3-C1:Deep Red (660 nm) Collimated LED for Olympus BX & IX, 1200 mA
M660L3-C2 Support Documentation M660L3-C2:Deep Red (660 nm) Collimated LED for Leica DMI, 1200 mA
M660L3-C4 Support Documentation M660L3-C4:Deep Red (660 nm) Collimated LED for Zeiss Axioskop, 1200 mA
M660L3-C5 Support Documentation M660L3-C5:Deep Red (660 nm) Collimated LED for Nikon Eclipse, 1200 mA
M730L4-C1 Support Documentation M730L4-C1:Far Red (730 nm) Collimated LED for Olympus BX & IX, 1000 mA
M730L4-C2 Support Documentation M730L4-C2:Far Red (730 nm) Collimated LED for Leica DMI, 1000 mA
M730L4-C4 Support Documentation M730L4-C4:Far Red (730 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M730L4-C5 Support Documentation M730L4-C5:Far Red (730 nm) Collimated LED for Nikon Eclipse, 1000 mA
M780L3-C1 Support Documentation M780L3-C1:IR (780 nm) Collimated LED for Olympus BX & IX, 800 mA
M780L3-C2 Support Documentation M780L3-C2:IR (780 nm) Collimated LED for Leica DMI, 800 mA
M780L3-C4 Support Documentation M780L3-C4:IR (780 nm) Collimated LED for Zeiss Axioskop, 800 mA
M780L3-C5 Support Documentation M780L3-C5:IR (780 nm) Collimated LED for Nikon Eclipse, 800 mA
M810L3-C1 Support Documentation M810L3-C1:IR (810 nm) Collimated LED for Olympus BX & IX, 500 mA
M810L3-C2 Support Documentation M810L3-C2:IR (660 nm) Collimated LED for Leica DMI, 500 mA
M810L3-C4 Support Documentation M810L3-C4:IR (810 nm) Collimated LED for Zeiss Axioskop, 500 mA
M810L3-C5 Support Documentation M810L3-C5:IR (810 nm) Collimated LED for Nikon Eclipse, 500 mA
M850L3-C1 Support Documentation M850L3-C1:IR (850 nm) Collimated LED for Olympus BX & IX, 1000 mA
M850L3-C2 Support Documentation M850L3-C2:IR (850 nm) Collimated LED for Leica DMI, 1000 mA
M850L3-C4 Support Documentation M850L3-C4:IR (850 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M850L3-C5 Support Documentation M850L3-C5:IR (850 nm) Collimated LED for Nikon Eclipse, 1000 mA
M940L3-C1 Support Documentation M940L3-C1:IR (940 nm) Collimated LED for Olympus BX & IX, 1000 mA
M940L3-C2 Support Documentation M940L3-C2:IR (940 nm) Collimated LED for Leica DMI, 1000 mA
M940L3-C4 Support Documentation M940L3-C4:IR (940 nm) Collimated LED for Zeiss Axioskop, 1000 mA
M940L3-C5 Support Documentation M940L3-C5:IR (940 nm) Collimated LED for Nikon Eclipse, 1000 mA
MCWHL5-C1 Support Documentation MCWHL5-C1:Cold White Collimated LED for Olympus BX & IX, 1000 mA
MCWHL5-C2 Support Documentation MCWHL5-C2:Cold White Collimated LED for Leica DMI, 1000 mA
MCWHL5-C4 Support Documentation MCWHL5-C4:Cold White Collimated LED for Zeiss Axioskop, 1000 mA
MCWHL5-C5 Support Documentation MCWHL5-C5:Cold White Collimated LED for Nikon Eclipse, 1000 mA

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Posted Comments:
Poster:jvigroux
Posted Date:2014-04-10 10:10:14.0
A response from Julien at Thorlabs: Thank you for your inquiry! The divergence of the M455L3-C1is typically of about 3° and in best case slightly less than 2°, so that in principle it would be possible to resize the beam after the 2" output. By using another collimating lens than the standard 2" diameter 40mm focal length, one can further reduce the output collimated beam. I will contact you directly to discuss the requirements in termsof powe and divergence in order to see which option would work best in your case.
Poster:giulia.mazza
Posted Date:2014-03-20 10:48:54.817
Hello! The LED M455L3 would suite my application, I'm looking for possibilities to collimate it correctly ideally in a small beam with low divergence.. I do not need it for microscopy. A 5 cm diameter beam is quite big but if the collimation is good I could resize it with further optics, so the first question is "which is the divergence of the beam after collimation in the product M455L3-C1"? Second question, are there other possibilities to collimate the M455L3 LED in for example a < 1.5 cm beam with divergence < 5°? How much power loss should it cause?? Thanks in advance!!!
Poster:mwinkler.its-b2011
Posted Date:2013-09-26 07:33:22.427
Hello, I have bought the MCWHL5-C1 and I would like to mount it externally on a bar to a device. Sadly I am not sure which mount I should best use where I can put the device in and connect it to the bar with screws. Can you recommend me a device from your catalogue which is best suited for that? Thanks in advance
Poster:tschalk
Posted Date:2013-10-04 08:15:00.0
This is a response from Thomas at Thorlabs. Thank you very much for your inquiry. To mount our collimated LED light sources you can use a lens tube slip ring SM1RC: https://www.thorlabs.de/newgrouppage9.cfm?objectgroup_id=1533&pn=SM1RC#2714. I will contact you directly with more detailed information.
Poster:tschalk
Posted Date:2013-09-13 09:50:00.0
A response from Thomas at Thorlabs. Thank you very much for your inquiry. At the moment we don’t have an adapter which is suitable for the Nikon Optiphot 150 microscopes. I will contact you directly to check if we can find a solution.
Poster:mhunter
Posted Date:2013-09-11 14:07:09.973
I am very interested in using an LED light source in place of a 100 watt halogen lamp -- in the EPI illuminators of my (6) Nikon Optiphot 150 microscopes. We are primarily using brightfield and DIC imaging. Would your mounted LEDs (probably cool white or green) work in this application? Thanks, Mike Hunter
Poster:tcohen
Posted Date:2013-03-14 13:37:00.0
Response from Tim at Thorlabs: The back end of these have 1.2” diameters and can be used with an SM1RC slip ring. The beam diameters produced by these larger focal length lenses would overfill an SM1 thread. If you are looking to confine it to this size an alternative would be to use the mounted LED without the collimating optic, (this is the M***L2 series and can be purchased separately) and then use a 1” diameter lens with an adjustable length lens tube for alignment. We have a typical setup to this end on our “Application” tab on the M***L2 series page.
Poster:B.Povazay
Posted Date:2013-03-12 19:54:38.977
Is it possible to mount collimated LEDs in a standard SM1-mount?
Poster:jvigroux
Posted Date:2012-10-22 08:48:00.0
A response form Julien at Thorlabs: Thank you for your inquiry! As far as I know, DIC usually uses polarized light sources. If this is the cas ein your setup, the LEd would not work because of the light being unpolarized. The use of an extra polarizer after the LED would imply a strong power reduction as well as a relatively high instability of the output power. I will contact you directly to discuss the details of your setup in order to see which light source could be used.
Poster:nrbabuwp
Posted Date:2012-10-18 18:45:29.41
Hi, We are interested in buying an LED to replace the lamp of DIC to use it in multicolor imaging. Wavelength range we are looking for is between 670 and 750nm. Can you suggest if 260mW of 735nm LED is good enough for DIC imaging? Has anyone used it for DIC? Babu
Poster:jvigroux
Posted Date:2012-01-23 10:33:00.0
A response from Julien at Thorlabs: Thank you for your feedback! the suggested adapters are by no mean the only solution and based on the details of your setup, some other configuration might indeed improve the power density or the homogeneity. I will contact you directly to discuss the details and see which solution would be the most adapted.
Poster:jvigroux
Posted Date:2012-01-23 10:30:00.0
A response from Julien at Thorlabs: Thank you for your feedback! the suggested adapters are by no mean the only solution and based on the details of your setup, some other configuration might indeed improve the power density or the homogeneity. I will contact you directly to discuss the details and see which solution would be the most adapted.
Poster:g.raffy
Posted Date:2012-01-23 09:12:12.0
A collimated beam with 50mm diameter will be clipped by the back aperture of the objective in an IX microscope (~10mm), loosing most of the available power of the LED. Am I wrong? Why not proposing an alternative lens that lets all the light entering the objective? I really need all the power... Ideally, if the lens to LED distance is settable, then one could choose between power density and uniformity of illumination.
Poster:bdada
Posted Date:2011-09-21 14:55:00.0
Response from Buki at Thorlabs: Thank you for your interest in our MCWHL2-C1 and for taking the time to use our feedback tool! These mounts are designed to fit on the standard and epi-illumination ports for Olympus BX and IX microscopes. The exact compatibility will depend on whether the transmitted lamp housing on your desired Olympus microscope has the same port-style as the BX and IX. Please contact TechSupport@thorlabs.com if you have further inquiries.
Poster:mzlin
Posted Date:2011-09-02 12:01:15.0
Can anyone verify that the Olympus mounts will fit in place of the transmitted lamp housing too (i.e. the same mount will work for transmitted as for fluorescence)? We have not gotten our scope yet so cant measure ourselves. Thanks.
Poster:klee
Posted Date:2009-10-05 16:12:24.0
A response from Ken at Thorlabs: Our new DC2100 is also plug and play compatible with these LED light sources.
Poster:acable
Posted Date:2009-10-03 15:47:55.0
Is the LEDD1 driver the only driver you offer that is plug and play compatible.
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Collimated LED Light Sources for Olympus BX and IX Microscopes

Item #Total Beam Powera
M625L3-C1 380 mW
M660L3-C1 600 mW
M730L4-C1 240 mW
M780L3-C1 210 mW
M810L3-C1 245 mW
M850L3-C1 480 mW
M940L3-C1 430 mW
MCWHL5-C1 440 mW
Item #Total Beam Powera
M365L2-C1 120 mW
M385L2-C1 170 mW
M405L2-C1 440 mW
M455L3-C1 500 mW
M470L3-C1 350 mW
M505L3-C1 210 mW
M530L3-C1 170 mW
M590L3-C1 80 mW
M617L3-C1 320 mW
  • After collimation package. Due to variations in the manufacturing process and operating parameters such as temperature and current, the total beam power of any given LED will vary.
  • Approximate Beam Diameter: 50 mm
  • Approximate Beam Area: 1960 mm²
  • AR-Coated Aspheric Collimation Lens (EFL: 40 mm)
  • See the Specs Tab for a Complete List of Specifications
  • Cable Length: 2 m

Please note: Due to the optical design of the transmitted lamphouse port of the BX and IX microscopes, it may be necessary to purchase a separate adapter that is available from Olympus.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
M365L2-C1 Support Documentation
M365L2-C1UV (365 nm) Collimated LED for Olympus BX & IX, 700 mA
$724.00
Today
M385L2-C1 Support Documentation
M385L2-C1UV (385 nm) Collimated LED for Olympus BX & IX, 700 mA
$724.00
Today
M405L2-C1 Support Documentation
M405L2-C1UV (405 nm) Collimated LED for Olympus BX & IX, 1000 mA
$724.00
Today
M455L3-C1 Support Documentation
M455L3-C1Royal Blue (455 nm) Collimated LED for Olympus BX & IX, 1000 mA
$523.00
Today
M470L3-C1 Support Documentation
M470L3-C1Blue (470 nm) Collimated LED for Olympus BX & IX, 1000 mA
$523.00
Today
M505L3-C1 Support Documentation
M505L3-C1Cyan (505 nm) Collimated LED for Olympus BX & IX, 1000 mA
$523.00
Today
M530L3-C1 Support Documentation
M530L3-C1Green (530 nm) Collimated LED for Olympus BX & IX, 1000 mA
$523.00
Today
M590L3-C1 Support Documentation
M590L3-C1Amber (590 nm) Collimated LED for Olympus BX & IX, 1000 mA
$449.00
Today
M617L3-C1 Support Documentation
M617L3-C1Orange (617 nm) Collimated LED for Olympus BX & IX, 1000 mA
$449.00
Today
M625L3-C1 Support Documentation
M625L3-C1Red (625 nm) Collimated LED for Olympus BX & IX, 1000 mA
$449.00
Today
M660L3-C1 Support Documentation
M660L3-C1Deep Red (660 nm) Collimated LED for Olympus BX & IX, 1200 mA
$467.00
Today
M730L4-C1 Support Documentation
M730L4-C1NEW!Far Red (730 nm) Collimated LED for Olympus BX & IX, 1000 mA
$497.00
Today
M780L3-C1 Support Documentation
M780L3-C1IR (780 nm) Collimated LED for Olympus BX & IX, 800 mA
$497.00
Today
M810L3-C1 Support Documentation
M810L3-C1NEW!IR (810 nm) Collimated LED for Olympus BX & IX, 500 mA
$497.00
3-5 Days
M850L3-C1 Support Documentation
M850L3-C1IR (850 nm) Collimated LED for Olympus BX & IX, 1000 mA
$497.00
3-5 Days
M940L3-C1 Support Documentation
M940L3-C1IR (940 nm) Collimated LED for Olympus BX & IX, 1000 mA
$497.00
Today
MCWHL5-C1 Support Documentation
MCWHL5-C1Cold White Collimated LED for Olympus BX & IX, 1000 mA
$479.00
Today

Collimated LED Light Sources for Leica DMI Microscopes

Item #Total Beam Powera
M625L3-C2 270 mW
M660L3-C2 370 mW
M730L4-C2 165 mW
M780L3-C2 130 mW
M810L3-C2 210 mW
M850L3-C2 330 mW
M940L3-C2 320 mW
MCWHL5-C2 320 mW
Item #Total Beam Powera
M365L2-C2 60 mW
M385L2-C2 90 mW
M405L2-C2 260 mW
M455L3-C2 360 mW
M470L3-C2 250 mW
M505L3-C2 150 mW
M530L3-C2 130 mW
M590L3-C2 60 mW
M617L3-C2 230 mW
  • After collimation package. Due to variations in the manufacturing process and operating parameters such as temperature and current, the total beam power of any given LED will vary.
  • Approximate Beam Diameter: 37 mm
  • Approximate Beam Area: 1080 mm²
  • AR-Coated Aspheric Collimation Lens (EFL = 40 mm)
  • See the Specs Tab for a Complete List of Specifications
  • Cable Length: 2 m
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
M365L2-C2 Support Documentation
M365L2-C2UV (365 nm) Collimated LED for Leica DMI, 700 mA
$724.00
Today
M385L2-C2 Support Documentation
M385L2-C2UV (385 nm) Collimated LED for Leica DMI, 700 mA
$724.00
Today
M405L2-C2 Support Documentation
M405L2-C2UV (405 nm) Collimated LED for Leica DMI, 1000 mA
$724.00
Today
M455L3-C2 Support Documentation
M455L3-C2Royal Blue (455 nm) Collimated LED for Leica DMI, 1000 mA
$523.00
Today
M470L3-C2 Support Documentation
M470L3-C2Blue (470 nm) Collimated LED for Leica DMI, 1000 mA
$523.00
Today
M505L3-C2 Support Documentation
M505L3-C2Cyan (505 nm) Collimated LED for Leica DMI, 1000 mA
$523.00
Today
M530L3-C2 Support Documentation
M530L3-C2Green (530 nm) Collimated LED for Leica DMI, 1000 mA
$523.00
Today
M590L3-C2 Support Documentation
M590L3-C2Amber (590 nm) Collimated LED for Leica DMI, 1000 mA
$449.00
Today
M617L3-C2 Support Documentation
M617L3-C2Orange (617 nm) Collimated LED for Leica DMI, 1000 mA
$449.00
Today
M625L3-C2 Support Documentation
M625L3-C2Red (625 nm) Collimated LED for Leica DMI, 1000 mA
$449.00
Today
M660L3-C2 Support Documentation
M660L3-C2Deep Red (660 nm) Collimated LED for Leica DMI, 1200 mA
$467.00
Today
M730L4-C2 Support Documentation
M730L4-C2NEW!Far Red (730 nm) Collimated LED for Leica DMI, 1000 mA
$497.00
Today
M780L3-C2 Support Documentation
M780L3-C2IR (780 nm) Collimated LED for Leica DMI, 800 mA
$497.00
Today
M810L3-C2 Support Documentation
M810L3-C2NEW!IR (660 nm) Collimated LED for Leica DMI, 500 mA
$497.00
Today
M850L3-C2 Support Documentation
M850L3-C2IR (850 nm) Collimated LED for Leica DMI, 1000 mA
$497.00
Today
M940L3-C2 Support Documentation
M940L3-C2IR (940 nm) Collimated LED for Leica DMI, 1000 mA
$497.00
Today
MCWHL5-C2 Support Documentation
MCWHL5-C2Cold White Collimated LED for Leica DMI, 1000 mA
$479.00
Today

Collimated LED Light Sources for Nikon Eclipse (Bayonet Mount) Microscopes

Item #Total Beam Powera
M625L3-C5 300 mW
M660L3-C5 410 mW
M730L4-C5 208 mW
M780L3-C5 170 mW
M810L3-C5 225 mW
M850L3-C5 370 mW
M940L3-C5 340 mW
MCWHL5-C5 340 mW
Item #Total Beam Powera
M365L2-C5 80 mW
M385L2-C5 120 mW
M405L2-C5 360 mW
M455L3-C5 400 mW
M470L3-C5 300 mW
M505L3-C5 170 mW
M530L3-C5 150 mW
M590L3-C5 70 mW
M617L3-C5 260 mW
  • After collimation package. Due to variations in the manufacturing process and operating parameters such as temperature and current, the total beam power of any given LED will vary.
  • Approximate Beam Diameter: 43 mm
  • Approximate Beam Area: 1450 mm²
  • AR-Coated Aspheric Collimation Lens (EFL: 40 mm)
  • See the Specs Tab for a Complete List of Specifications
  • Cable Length: 2 m
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
M365L2-C5 Support Documentation
M365L2-C5UV (365 nm) Collimated LED for Nikon Eclipse, 700 mA
$757.00
Today
M385L2-C5 Support Documentation
M385L2-C5UV (385 nm) Collimated LED for Nikon Eclipse, 700 mA
$757.00
Today
M405L2-C5 Support Documentation
M405L2-C5UV (405 nm) Collimated LED for Nikon Eclipse, 1000 mA
$757.00
Today
M455L3-C5 Support Documentation
M455L3-C5Royal Blue (455 nm) Collimated LED for Nikon Eclipse, 1000 mA
$556.00
Today
M470L3-C5 Support Documentation
M470L3-C5Blue (470 nm) Collimated LED for Nikon Eclipse, 1000 mA
$556.00
Today
M505L3-C5 Support Documentation
M505L3-C5Cyan (505 nm) Collimated LED for Nikon Eclipse, 1000 mA
$556.00
Today
M530L3-C5 Support Documentation
M530L3-C5Green (530 nm) Collimated LED for Nikon Eclipse, 1000 mA
$556.00
Today
M590L3-C5 Support Documentation
M590L3-C5Amber (590 nm) Collimated LED for Nikon Eclipse, 1000 mA
$482.00
Today
M617L3-C5 Support Documentation
M617L3-C5Orange (617 nm) Collimated LED for Nikon Eclipse, 1000 mA
$482.00
Today
M625L3-C5 Support Documentation
M625L3-C5Red (625 nm) Collimated LED for Nikon Eclipse, 1000 mA
$482.00
Today
M660L3-C5 Support Documentation
M660L3-C5Deep Red (660 nm) Collimated LED for Nikon Eclipse, 1200 mA
$500.00
Today
M730L4-C5 Support Documentation
M730L4-C5NEW!Far Red (730 nm) Collimated LED for Nikon Eclipse, 1000 mA
$497.00
Today
M780L3-C5 Support Documentation
M780L3-C5IR (780 nm) Collimated LED for Nikon Eclipse, 800 mA
$535.00
Today
M810L3-C5 Support Documentation
M810L3-C5NEW!IR (810 nm) Collimated LED for Nikon Eclipse, 500 mA
$497.00
Today
M850L3-C5 Support Documentation
M850L3-C5IR (850 nm) Collimated LED for Nikon Eclipse, 1000 mA
$535.00
Today
M940L3-C5 Support Documentation
M940L3-C5IR (940 nm) Collimated LED for Nikon Eclipse, 1000 mA
$535.00
Today
MCWHL5-C5 Support Documentation
MCWHL5-C5Cold White Collimated LED for Nikon Eclipse, 1000 mA
$516.00
Today

Collimated LED Light Sources for Zeiss Axioskop Microscopes

Item #Total Beam Powera
M625L3-C4 330 mW
M660L3-C4 420 mW
M730L4-C4 195 mW
M780L3-C4 180 mW
M810L3-C4 230 mW
M850L3-C4 400 mW
M940L3-C4 380 mW
MCWHL5-C4 380 mW
Item #Total Beam Powera
M365L2-C4 80 mW
M385L2-C4 110 mW
M405L2-C4 360 mW
M455L3-C4 430 mW
M470L3-C4 310 mW
M505L3-C4 180 mW
M530L3-C4 150 mW
M590L3-C4 70 mW
M617L3-C4 280 mW
  • After collimation package. Due to variations in the manufacturing process and operating parameters such as temperature and current, the total beam power of any given LED will vary.
  • Approximate Beam Diameter: 44 mm
  • Approximate Beam Area: 1520 mm²
  • AR-Coated Aspheric Collimation Lens (EFL: 40 mm)
  • See the Specs Tab for a Complete List of Specifications
  • Cable Length: 2 m
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
M365L2-C4 Support Documentation
M365L2-C4UV (365 nm) Collimated LED for Zeiss Axioskop, 700 mA
$724.00
Today
M385L2-C4 Support Documentation
M385L2-C4UV (385 nm) Collimated LED for Zeiss Axioskop, 700 mA
$724.00
Today
M405L2-C4 Support Documentation
M405L2-C4UV (405 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$724.00
Today
M455L3-C4 Support Documentation
M455L3-C4Royal Blue (455 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$523.00
Today
M470L3-C4 Support Documentation
M470L3-C4Blue (470 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$523.00
Today
M505L3-C4 Support Documentation
M505L3-C4Cyan (505 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$523.00
Today
M530L3-C4 Support Documentation
M530L3-C4Green (530 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$523.00
Today
M590L3-C4 Support Documentation
M590L3-C4Amber (590 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$449.00
Today
M617L3-C4 Support Documentation
M617L3-C4Orange (617 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$449.00
Today
M625L3-C4 Support Documentation
M625L3-C4Red (625 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$449.00
Today
M660L3-C4 Support Documentation
M660L3-C4Deep Red (660 nm) Collimated LED for Zeiss Axioskop, 1200 mA
$467.00
Today
M730L4-C4 Support Documentation
M730L4-C4NEW!Far Red (730 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$535.00
Today
M780L3-C4 Support Documentation
M780L3-C4IR (780 nm) Collimated LED for Zeiss Axioskop, 800 mA
$497.00
Today
M810L3-C4 Support Documentation
M810L3-C4NEW!IR (810 nm) Collimated LED for Zeiss Axioskop, 500 mA
$535.00
Today
M850L3-C4 Support Documentation
M850L3-C4IR (850 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$497.00
Today
M940L3-C4 Support Documentation
M940L3-C4IR (940 nm) Collimated LED for Zeiss Axioskop, 1000 mA
$497.00
Today
MCWHL5-C4 Support Documentation
MCWHL5-C4Cold White Collimated LED for Zeiss Axioskop, 1000 mA
$479.00
Today

Mounted LED Mating Connector

  • Pico (M8) Receptacle
  • Female 4-Pin for Front Mounting
  • 0.5 m Long, 24 AWG Wires
  • M8 x 0.5 Panel Mount Thread
  • IP 67 and NEMA 6P Rated

The CON8ML-4 connector can be used to mate mounted LEDs featured on this page to user-supplied power supplies. We also offer a male 4-Pin M8 connector cable (Item # CAB-LEDD1).

PinColorSpecification Pin Assignment
1 Brown LED Anode
2 White LED Cathode
3 Black EEPROM GND
4 Blue EEPROM IO
CON8ML-4
CON8ML-4 Shown Connected to the 4-Pin M8 Plug of Mounted LED
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
CON8ML-4 Support Documentation
CON8ML-44-Pin Female Mating Connector for Mounted LEDs
$30.00
Today
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