NiSi S6 ALPHA 150mm Filter Holder and Case for Sigma 20mm f/1.4 DG HSM Art Mavic 3 Pro Cine Fits standard 4x4" matte boxes:

Fits standard 4x4" matte boxes: 4mm thickness fits filter cages or cageless matte box designs from all leading brands

It's compatible with zoom or prime lenses in the focal length range of 70-300mm (full-frame equivalent)

Because it's water white glass with no added color or contrast

accessories such as our Monitor Cage Rails with interchangeable anti-twist pins work great and our anti-twist NATO Clamp has a Cinderella fit

and 180° drifts

NiSi S6 ALPHA 150mm Filter Holder and Case for Sigma 20mm f/1.4 DG HSM Art Mavic 3 Pro Cine Fits standard 4x4" matte boxes:The S6 ALPHA is NiSi's filter holder system built specifically to mount on the Sigma 20mm f 1. 4 DG HSM Art's lens barrel, supporting two 150mm wide filters (2mm thick) with a full 360 degrees of rotation. Because it's a dedicated fit rather than a universal clamp, installation and removal happen without taking the lens off the camera, and the front clips let you swap 150mm filters quickly between shots. The main adaptor uses the same matting