Thorlabs or Newport Ø 25mm mount + Ø 25mm PCX lens Description: a small mirror mount with a PCX lens. Lens has a diameter of 25mm, it is 80mm focal length and antireflection coated in the visual spectrum. The mirror mount also has the base mount for the breadboard or similar. It has a little tube that has a 0.5" (12.6mm) clear diameter (external Ø= 18.7mm). You can remove tube and lens stays in place (once removed, clear diameter is same as lens: 25mm) Other measures: Base dimensions: 37x35mm. Depth: 37mm. Width (lens looking at you): 35mm. Total height: 50mm. Condition: used but in perfect smooth working order. Mount and lens are in like new condition. Lens is glued to the mount in three small portruding places at the mount (easy to remove without hassle).