An optical instrument consisting of a well corrected objective lens with an illuminated slit or reticle at its focal plane. Collimators are used in lens testing to determine focal lengths, and in other applications where a distant object at a known location is required.
So the Speed of Light Never Changes?
Wrong! This only holds up in free space. The speed of light slows down when it…read more
Expanding Test Capabilities
We are excited to share that here at Alker we are expanding test capabilities for our…read more
Fibre Optics and the Environment
Fibre optics play a key role in the development of a greener future, this is something…read more