Sigma COR-11 Clamp-On Ring 162mm for 14mm T2 DSLR astrophotography

astrophotography

A true high-speed lens that delivers a new dimension of visual experience

Incredible rendering performance delivers unprecedented visual experiences

Clicked and de-clicked aperture ring with Aperture Ring Lock Switch

Sigma COR-11 Clamp-On Ring 162mm for 14mm T2 DSLR astrophotographyThe Clamp On Ring 162mm COR 11 is an accessory exclusively designed for the SIGMA 14mm T2 FF, and it extends the front diameter to 162mm. By attaching it to wide angle matte box compatible with 6. 6" x 6. 6" in. square type filters such as the ARRI LMB 6 (2 stage), it will allow cinematographers to film on full frame cameras without causing vignetting.