Sigma 28 mm F1.8 EX DG ASPHERICAL RF for Nikon

Sigma 28 mm F1.8 EX DG ASPHERICAL RF is highly luminous wide macro lens, which is a suitable choice of the repertoire of every lover of digital photography. It features minimal vignetting and excellent drawing to the region cine film format, which makes it applicable in professional and amateur photography. Minimum focusing distance of this lens is 20 cm and then filter diameter 77 mm. SIGMA Lens construction includes aspherical lenses, which eliminate image distortion and chromatic aberrations. It also pleases dual focus lens system, which makes the operation very convenient and enjoyable. This lens is dimensionally adapted for use with Nikon zrcadlovkama.
Specifications:
Designed for: NIKON Cameras
Basic characteristics:
wide angle macro lens
Optical track:
10 elements in 9 groups
Viewing angle:
75.4 °
Minimum aperture:
22
Minimum focusing distance:
20 cm
Max. ratio of the display:
1:2.9
Filter diameter:
77 mm
Size:
83.6 x 80 mm
Weight:
500 g