Sigma 45mm f/2.8 DG Contemporary Lens (L-Mount, Black) a built-in 4-channel microphone captures

a built-in 4-channel microphone captures high-quality audio from four directions and with seamless transitions between the channels

and has an advanced 209-point AF system with full-time subject tracking and eye-detection AF

Beyond the imaging assets

Or loosen it when you need better access to your controls while shooting

CB20 Backpack

Sigma 45mm f/2.8 DG Contemporary Lens (L-Mount, Black) a built-in 4-channel microphone capturesSigma 45mm f 2. 8 DG Contemporary Overview Key Features Full Frame f 2. 8 to f 22 Compact, Versatile Wide Normal Prime Fast Internal Focus System I Series Lens All Metal Lens Barrel Dust & Splash Resistant Design Knurled Focus and Aperture Rings Rounded 7 Blade Diaphragm Everyday Versatility Hugely versatile and impressively compact, the Sigma 45mm f 2. 8 DG Contemporary Lens is a flexible prime offering a a useful field of view for everyday shooting.