Zip Box 4×4 (80-85mm) holds one 4×4″ (100x100mm) filter and clamps to the front of lenses between 80 and 85mm in exterior lens diameter. The lens shade design allows for even the widest lenses and sensor sizes to be covered without vignetting.
Zip Box 138mm Round (80-85mm) holds one 138mm filter or diopter and clamps to the front of lenses between 80 and 85mm in exterior lens diameter. It can hold a 138mm diopter of any strength due to the open front of the Zip Box.
UMB-1 Universal Mattebox (Pro) is natively 15mm LW rod based and comes standard with two rotating 4×5.65 filter stages (with an optional third stage available), individual tray catchers, folding French flag, 143mm native diameter opening,