The samyang 12mm f28 ed as ncs lens is a super wide fisheye that provides a 180deg angle of view on full frame dslrs the lens features highly effective nanocrystal and anti reflection ncs coating applied together with standard umc coatings thanks to these coatings and a fast aperture of f28 the lens can be used as a perfect tool in diverse lighting conditions as it provides great focus high contrast and natural colour reproduction even with the aperture wide open this lens is perfect fo