Wide angle lens series samyang vdslr lens mount nikon f lens speed 22 focal length 24 mm suitable for sensor type aps c construction prime lens area of use landscape photography videography night photography indoor photography focus internal focus manual focus circular aperture diagonal angle of view 83 1 closest focusing distance 250 cm lens types aspherical ed lens construction groupselements 1113 minimum aperture 22 max aperture 22 l