Sigma 17mm f/4 DG DN Contemporary Lens Mount:Leica L which help to control a

which help to control a variety of aberrations for high sharpness and clarity

and freezeproof to enable its use in harsh climates

splash-proof construction

5 UD elements

combining this sensor's speed and power with the BIONZ X processor and a newly developed front-end LSI

Sigma 17mm f/4 DG DN Contemporary Lens Mount:Leica L which help to control aSigma 17mm f 4 DG DN Contemporary Lens Sigma LCF 55 III 55mm Lens Cap Sigma LCF5501M Magnetic Metal Lens Cap Sigma LCR II Rear Lens Cap Sigma Lens Hood for 17mm f 4 DG DN Contemporary Lens Packing a huge field of view in a diminutive size, the Sigma 17mm f 4 DG DN Contemporary Lens offers the ultra wide perspective beloved by landscape shooters, street photographers, and those working with interior and architectural subjects in a compact, portable