Blackmagic ATEM SDI Brand_F-Stop SIGMA constructed the body from

SIGMA constructed the body from carefully selected materials

with a simple twist of the playback ring

5 VR S lens is a super-telephoto prime with a perfect balance of quality and portability

and the lens mount has a rubber gasket

the lens aperture will revert to its default position

Blackmagic ATEM SDI Brand_F-Stop SIGMA constructed the body fromBlackmagic ATEM SDI is a family of live production switchers designed for broadcasters who need extreme portability! ATEM SDI switchers are very similar to ATEM Mini, however the video connections are 3G SDI and each model has double the number of video outputs! You get 4 SDI inputs on the ATEM SDI and ATEM SDI Pro ISO models and 8 SDI inputs on the ATEM SDI Extreme ISO model. Plus all SDI inputs feature standards converters and re sync! You even get