Key Features
- Compact ultra-wideangle lens construction
- 94° (70° with Nikon DX format) picture coverage with edge-to-edge sharpness
- Close-Range Correction (CRC) system provides high performance at both near and far focusing distances
AF Nikkor 20mm f/2.8D
Versatile ultra-wideangle lens for general photography
Click to view lens specs
Specifications
Focal length |
20mm |
|---|---|
Maximum aperture |
f/2.8 |
Minimum aperture |
22 |
Lens construction |
12 elements in 9 groups |
Picture angle |
94° (70° with Nikon DX format) picture coverage with edge-to-edge sharpness |
Closest focusing distance |
0.25 m/0.85 ft. |
Maximum reproduction ratio |
1/8.3 |
No. of diaphragm blades |
7 |
Filter/attachment size |
62 |
Diameter x length (extension from lens mount) |
Appproximately 69 x 42.5 mm/2.7 x 1.7 in. |
Weight |
Approximately 270 g/9.5 oz. |
Supplied accessories |
62 mm Snap-on front lens cap, Rear lens cap LF-1 |
MTF Chart
Spatial Frequencies |
S: Sagittal |
M: Meridional |
|---|---|---|
10 lines/mm |
 |
 |
30 lines/mm |
 |
 |
