NiSi 180mm Filter Holder for Canon EF 11-24mm f/4L USM Lens PROFOTOSN It benefits greatly from Zeiss's

It benefits greatly from Zeiss's optical technology

Nisi added the infrared protection coating layer to this filter which help to eliminate the infrared light through the lens to bring back the nature colour

the lens is equipped with a seven-blade circular diaphragm for smooth

" streaking outward from a central light source

clear image quality at all apertures

NiSi 180mm Filter Holder for Canon EF 11-24mm f/4L USM Lens PROFOTOSN It benefits greatly from Zeiss'sNiSi 180mm Filter Holder For Canon EF 11 24mm F4L USM Special designed for Canon EF 11 24mm F 4L USM Hold 2 180mm filter at the same time 360 degree rotating NiSi 180mm filter holders are made from aviation grade aluminum with single element processed by CNC machine with Matte black frosted finish on the surface. The screw accessory are all made of copper and with black nickel plating. Its durable and will reduce the influence of stray light on the