Specially designed for use with zeiss cp2 lenses the vocas mb 255 wide angle matte box features internal eyebrows and a quick lock mounting system that attaches directly to the front of lenses with diameters up to 114mm it can also be attached via a matte box support and 15mm rails accommodating filters from 3x3 to 4x6 the mb 255 works with most wide angle lenses with 43 and 169 ratios