AF-S DX Micro NIKKOR 40mm f/2.8G
Key Features
- Micro lens with a normal focal length of 40mm
- Large maximum aperture of f/2.8
- Achieves shooting at 1:1 reproduction ratio
- Silent Wave Motor (SWM) realizes quiet AF operation
- Two focus modes are available — M/A (quick switching from AF to MF) and M (manual focus)
Specifications
Focal length |
40mm |
---|---|
Maximum aperture |
f/2.8 |
Minimum aperture |
f/22 |
Lens construction |
9 elements in 7 groups |
Angle of view |
38°50’ |
Minimum focus distance |
0.163 m/0.53 ft (from focal plane) |
Maximum reproduction ratio |
1x |
No. of diaphragm blades |
7 (rounded) |
Filter-attachment size |
52 mm |
Diameter x length |
Approximately 68.5 x 64.5 mm/2.7 x 2.5 in. |
Weight |
Approximately 235 g/8.3 oz |
Supplied accessories |
52 mm Snap-on Front Lens Cap LC-52, Rear Lens Cap LF-4, Bayonet Hood HB-61, Flexible Lens Pouch CL-0915 |
MTF Chart
![image](/imaging/lineup/lens/f-mount/specialpurpose/micro/af-s_dx_micro40mmf_28g/img/pic_002.jpg)
Spatial Frequencies | S: Sagittal | M: Meridional |
---|---|---|
10 lines/mm | ![]() |
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30 lines/mm | ![]() |
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Lens Construction
![image](/imaging/lineup/lens/f-mount/specialpurpose/micro/af-s_dx_micro40mmf_28g/img/pic_004.jpg)
- Aspherical lens elements
- ED glass elements
- Super ED glass elements