This animation shows the orientation of the lens for insertion into our aspheric lens RMS microscope objective adapters.

Features

SM Threads Allow Asphere to Mount to Popular Laser Diode Mounts
Rubber O-Ring on SM-Threaded Mounts Minimizes Unwanted Adapter Translation
ExxRMS Adapters Allow Aspheric Lens to Replace Objective

Thorlabs' Aspheric Lens Adapters are designed to hold our mounted aspheric lenses in our extensive line of SM05- and SM1-threaded lens tubes and cage assemblies. These lens adapters make it easy to mount aspheric lenses in our LDM21 and TCLDM9 TEC-cooled laser diode mounts where they can be used to collimate or focus laser diode output.

The range of aspheric lens applications is further enhanced by our selection of RMS-threaded adapters that can be used to incorporate our aspheric lenses into any optical system that traditionally uses microscope objectives. Please note that the ExxRMS adapters require the aspheric lens to be inserted threads first into the RMS-threaded side of the adapter, as shown in the animation to the right.

We recommend using Spanner Wrenches to secure mounted aspheric lenses into these lens adapters. Spanner wrenches also allow the lens adapters to be easily threaded into lens tubes. The appropriate spanner wrench for each aspheric lens and lens adapter is given in the tables below.

Mounted Aspheric Lens Thread	M6 x 0.5	M8 x 0.5	M9 x 0.5	M10 x 0.5	M12 x 0.5
Compatible Mounted Lenses*	A414TM C140TME C150TME C392TME C430TME C710TME	C021TME C170TME C350TME C390TME C440TME C660TME	A110TM, A220TM A375TM, A390TM A397TM, C036TME C037TME, C110TME C220TME, C230TME C260TME, C280TME C330TME, C340TME C560TME, C610TME C671TME Ø5 mm, Ø6 mm, and Ø6.35 mm Mounted Achromatic Doublets	C028TME	A240TM C240TME Ø8 mm Mounted Achromatic Doublets

* Note: Coated lens are indicated by a coating designation at the end of the part number. For example, A220TM-A has an A coating. This does not affect the adapter compatibility, and so only the uncoated part numbers are included in this list.

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Posted Comments:

Poster: jlow

Posted Date: 2013-01-14 14:15:00.0

Response from Jeremy at Thorlabs: Unfortunately we do not have a spanner wrench specifically for the S05TMxx at the moment. We are currently looking into adding spanner wrenches for this whole series of adapters. While not ideal, I have used the SPW801 with these adapters before and it seems to work pretty well for my experiments. The blades for the SPW801 would need to be turned 180° though.

Poster: cbrideau

Posted Date: 2013-01-11 16:54:52.0

Can we get something like the SPW909 but for the SM05 threaded adapters? I'd like a wrench that engages the pinholes on the S05TMXX adapters.

Poster: jjurado

Posted Date: 2011-08-08 14:58:00.0

Response from Javier at Thorlabs to barney.william: Thank you for your feedback. The reason for the tight fit when using the S1TM08 is to ensure that the lens is not easily misaligned once it has been adjusted to a particular distance with respect to the laser diode. For smoother motion, you can use a small amount of Apiezon M grease. Be sure not to get any grease on the optic or laser diode. I will contact you directly for further support.

Poster: barney.william

Posted Date: 2011-08-05 17:16:14.0

When using the S1TM08 with the TCLDM-9 to collimate a diode laser, the O-ring fit is so tight that I cannot get the adapter far enough into the hole to collimate the laser properly. In fact, I snapped the tips off my adjustable spanner while trying to do so. Would it help to use a lubricant, and is there one you recommend?

Poster: apalmentieri

Posted Date: 2010-03-26 15:46:36.0

A further response from Adam at Thorlabs to Eric: To add to my response below, we also offer the AD1T, which has a flat 1" outer diameter and a SM05 threaded internal diameter. This may be a little more suitable for your application.

Poster: Adam

Posted Date: 2010-03-26 15:42:51.0

A response from Adam at Thorlabs to Eric: I think this is a great idea and will propose this customer-inspired idea to our mechanical engineering team. Please note we do have a similar product without the threads. The part number is AD1 and it has a flat 1" diameter, with a 1/2" diameter hole designed for mounting 1/2" optics in 1" lens tubes/mounts. To hold the optic in place, we provide a set screw.

Poster: eric.whittaker

Posted Date: 2010-03-26 14:42:08.0

An adapter ring similar to the S1TM range but with SM05 internal thread and retaining rings for 1/2" optics would be useful.

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