Thorlabs offers these versatile mounts to adapt easily between various optic diameter standards. With options for Ø2 mm to Ø2" optics, this family of adapters offers a wide range of solutions for adapting optics to Ø1/2", Ø1", or Ø2" optomechanical systems, including cage systems, optical mounts, and lens tubes. Also available are SM-Threaded Adapters for Square Optics and Grating Mount Adapters.