Canon EF 8-15/4L Fisheye USM

เลนส์ Canon  EF 8-15mm f/4L Fisheye USM  Needs Focal length   :  8-15mm Diagonal Angle of view (FF)   :  180º – 175º 30′ Maximum aperture   :  F4 Minimum aperture    :  F22 Lens Construction     :  14 elements/11 groups Number of diaphragm blades   :  7 Minimum focus     : 0.15 m Maximum [...]  See More..