Sigma 17mm F4 DG DN Contemporary Lens (Leica L) LED Lighting The jaws' rounded shape allows

The jaws' rounded shape allows even but firm clamping

By blocking 1 to 8

while the LCD display and onboard controls allow for easy adjustments

and Half Plus Green filters

Sigma 17mm F4 DG DN Contemporary Lens (Leica L) LED Lighting The jaws' rounded shape allowshe SIGMA 17mm F4 DG DN Contemporary delivers supreme compactness in the widest "I series" lens to date. Announced concurrently with the 50mm F2 DG DN Contemporary, this expands the I series to 9 lenses ranging from 17mm to 90mm. This super compact, ultra wide angle lens weighs just 220g with a length of 48. 8mm, and is designed specifically for full frame mirrorless systems. The SIGMA 17mm F4 DG DN Contemporary is an exceptional lens in terms of angle