Focal length |
20 mm |
Maximum aperture |
f/1.8 |
Minimum aperture |
f/16 |
Lens construction |
14 elements in 11 groups (including 3 ED glass and 3 aspherical lens elements, and elements with Nano Crystal Coat) |
Angle of view |
FX format: 94° DX format: 70° |
Minimum focus distance |
0.20 m/0.66 ft from focal plane |
Maximum reproduction ratio |
0.19x |
Diaphragm blades |
9 (rounded diaphragm opening) |
Filter-attachment size |
77 mm (P = 0.75 mm) |
Dimensions |
Approximately 84.5 mm/3.4 in. maximum diameter x 108.5 mm/4.3 in. (distance from camera lens mount flange) |
Weight |
Approximately 505 g/1 lb 1.9 oz |
Supplied accessories |
LC-77B Lens Cap (front cap), LF-N1 Lens Cap (rear cap), HB-95 Lens Hood, CL-C1 Lens Case |
Specifications are subject to change without notice.