Raynox HD-6600 Pro 49

residual distortion) based on a sophisticated calculation and design, and achieves a high resolving power of 350 line pairs per millimeter (at the image center at an MTF contrast of 30%). Designed specifically for high-resolution digital cameras, this converter contains three free-standing, fully multi-coated lenses using high refractive index glass types. It is an ideal accessory for professional use, but also for demanding amateurs who need to shoot in confined spaces. With this converter in front of the camera lens, there is no loss of light changing the set aperture value (the light intensity remains unchanged). -Resolution 350 Lp/mm in the center -Almost distortion-free image (-1.3%) -Front filter thread 72 mm -HD design of 3 free-standing lenses -Focal length factor Nominally 0.66x, actually 0.66x diagonally and 0.66x horizontally -Optical construction 3 lenses in 3 groups, coated lenses made of optical glass -Distortion -1.3% (at max. wide angle).