Telrad Reflex Sight Red-Green Switchable with Mount BaseThe Telrad is a favorite of amateur astronomers and lighting crews alike. This version has a switchable Red or Green reticle to aid visibility particularly in theater environments. The main selling points are a real field of view with no magnification and no inversion, and the only graduated reticle image with 1 2, 2 and 4 increments which aids star hopping activities. The image is focused at apparent infinity that in use gives the appearance of