Sigma Mirror 600mm f/8 Telephoto

Sigma Mirror 600mm f/8 Telephoto is a manual focus super telephoto lens for full frame cameras.

Optical design

Has no aperture blades, this is among the rare lens which does not have aperture control function, works always wide open.

Physical characteristics

Weights 830 grams so it is a heavy lens, consider using its own lens bag. With a lens filter diameter of 95 mm finding lens filters in this range can be expensive consider using Cokin P system if you really need one. 122 mm long, requires consideration if you want to carry in the camera bag.