Lightdow Fixed Focus 500mm F6.3 Telephoto Manual Mirror Lens With T2 Mount Adapter Ring for Nikon Canon Pentax Sony DSLR Cameras

Lightdow Fixed Focus 500mm F6.3 Telephoto Manual Mirror Lens With T2 Mount Adapter Ring for Nikon Canon Pentax Sony DSLR Cameras

Description:

The 500mm f/6.3 Mirror Lens is a high-quality, computer designed product that incorporates the merits of both reflex optics and refraction optics. This combination provides the user with an extremely sharp picture with minimum color abberation.

when this item is mount to Nikon DSLR or Sony DSLR camera(some models),the camera will give a notice :lens not attached,what need to do next is that the buyer have to set the camera

1)Set the camera  to M model because this is a manual lens

2)set the camera to Quiet release shutter (No lens Release shutter),then you can use this item to take pictures