Sigma Mirror 600mm f/8

Sigma Mirror 600mm f/8 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 620 grams so it is a heavy lens, consider using its own lens bag. 111 mm long, requires consideration if you want to carry in the camera bag. With a lens filter diameter of 86 mm finding lens filters in this range can be expensive consider using Cokin P system if you really need one.