Laowa Lens C & D-Dreamer 9 mm f / 2,8 Zero-D pre Sony E

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Venus Optics Laowa C & amp, D-Dreamer prime to 9 mm wide-angle lens aperture of f / 2.8 camera bezlusterkowych intended for the APS-C and E. Although Sony mount short focal length provides a very good control of distortion and chromatic aberration and superior the focus from the center to the edge of the frame. lens offers a wide viewing angle of 113 °, the equivalent focal length of 14 mm full frame. The optical lens system consists of fifteen elements arranged in ten groups. Three low dispersion lens and two aspherical lens provide the highest quality imaging from the center to the edge of the frame. The control of the depth of field corresponding to a 7-blade diaphragm, and a working gradually ring aperture, and the minimum focusing distance of only 12 centimeters. Front element of the lens is covered with a layer of "Frog Eye Coating" to protect against dust and dirt, its low profile and the thread of 49 mm allow installation of filters. The small size and low weight of the lens - just 215 grams makes it excels in daily use and during shooting using drones and gimbali. Specification - model: C & amp, D-Dreamer 9 mm f / 2.8 - fixing Sony E - the focal length of 9 mm - angle 113 deg - minimum aperture f / 2.8 - maximum aperture is f / 22 - the number of diaphragm blades 7 - coating the image APS-C - optical structure 15 elements in 10 groups <