Raynox HD-6600 Pro with wide-angle lenses and converters, a more or less strong barrel-shaped distortion is inevitable. However, this special wide-angle converter is designed on the basis of a sophisticated calculation and construction almost without distortion (only -1.3% residual distortion) and achieves a high resolution of 350 line pairs per millimeter (in the image center with an MTF contrast of 30%). This converter, specially developed for high hohem digital cameras, contains three free-standing, fully multi-layer coated lenses using high refractive index glass types. It is an ideal accessory for professional use, but also for demanding amateurs, who have to record under cramped space conditions. With this converter in front of the camera lens, there is no change in the aperture value of the light loss (the light intensity remains unchanged). -Resolution 350 LP/mm in the center -Fast distortion-free image (-1.3%) -Front filter thread 72 mm -HD-Design from 3 free standing lenses -focal length factor nominal 0.66x, actual 0.66x diagonal and 0.66x horizontal -optical structure 3 lenses in 3 groups, tempered lenses from optical glass -distortion -1.3% (at max. wide angle)
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