Nikon AF 20mm f/2.8D
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.
Specifications
:
|
Lens construction |
12 elements in 9 groups |
|
Picture angle |
94° [70° with Nikon
digital cameras (Nikon DX format)] |
|
Number of diaphragm blades |
7 |
|
Minimum f/stop |
22 |
|
Closest focusing distance |
0.25m |
|
Maximum reproduction ratio |
1/8.3 |
|
Macro focusing |
N/A |
|
Focus-limit switch |
N/A |
|
M/A mode |
N/A |
|
Focus lock button |
N/A |
|
Wight (approx.) |
270g |
|
Lens cap |
Snap-on |
|
Lens hood |
HB-4 (optional) |
|
Lens case |
CL-30S (optional) |
|
Tripod collar |
N/A |
|
External front filter attachment frame |
Does not rotate |
|
External front filter |
62mm |
|
Slip-on filter |
N/A |
|
Built-in/rear filter |
N/A |
|
Circular polarizing filter |
N/A |
|
Circular polarizing filter II |
N/A |
|
Infrared compensation scale |
Does have |
|
Supplied accessories |
62mm Snap-on front lens
cap, Rear lens cap LF-1 |
|
Aperture ring |
Does have |
|
Distance scale |
Does have |
|
Material of bayonet ring |
Metal |
|
Dimensions (approx.) (from the camera lens mounting flange) |
69—42.5 mm |
|
AF-3 |
Usable, but vignetting
may occur at ∞ (infinity) and macro settings. (0) |
|
AF-4 |
Usable. (0): ( )
Indicates maximum number of usable hoods (HN-36 for AF-3/HN-37 for AF-4) |
| Technical | |
| Warranty | PT Alta Nikindo |