Sigma 90mm f/2.8 DG Contemporary Lens (L-Mount, Silver) Constructed of stainless steel and

Constructed of stainless steel and aluminum

Each earcup features a custom voice coil with a four-layer core made of ultrahigh-tension aluminum alloy mated to a three-layer Mylar diaphragm

you can also do it wirelessly via an optional radio remote control

IP34 water and dust resistant

Accessory mounting and support options include top and bottom NATO rails

Sigma 90mm f/2.8 DG Contemporary Lens (L-Mount, Silver) Constructed of stainless steel andSigma 90mm f 2. 8 DG Contemporary Overview Key Features Full Frame f 2 to f 22 Compact Mid Telephoto Prime Fast Internal Focus System I Series Lens All Metal Lens Barrel Dust & Splash Resistant Design Knurled Focus and Aperture Rings Rounded 9 Blade Diaphragm Compact Mid Telephoto Portrait Prime Perfect for portraiture, the Sigma 90mm f 2. 8 DG Contemporary Lens is an especially compact mid telephoto prime offering a selective field of view and modest