Quick answer
The Nikon AI Nikkor 55mm f/1.2 is a standard prime lens covering 55mm at f/1.2 for the Nikon F mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
About this lens
Nikon AI Nikkor 55mm f/1.2: a fast standard prime lens with a 55mm focal length and a maximum aperture of f/1.2, made for Nikon F mount cameras. The natural field of view suits street, documentary and everyday photography.
Nikon AI Nikkor 55mm f/1.2 specifications
- Brand
- Nikon
- Mount
- Nikon F
- Focal length
- 55mm
- Maximum aperture
- f/1.2
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 7 elements in 5 groups
- Autofocus motor
- none
- Minimum focus distance
- 0.6 m
- Filter thread
- 52 mm
- Weight
- 420 g
- Length
- 58.5 mm
- Diameter
- 73.5 mm
Specification source: en.wikipedia.org
What can you shoot with the Nikon AI Nikkor 55mm f/1.2?
At 55mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 55mm | 36.2° | 42.9° |
| APS-C | 1.5x | 83mm | 24.6° | 29.4° |
Frequently asked questions
What mount does the Nikon AI Nikkor 55mm f/1.2 use?
It uses the Nikon F mount, so it fits Nikon F cameras directly.
What is the focal length of the Nikon AI Nikkor 55mm f/1.2?
It is a fixed 55mm lens with a maximum aperture of f/1.2. That makes it a standard lens.
Is the Nikon AI Nikkor 55mm f/1.2 a prime or a zoom lens?
It is a prime lens with a fixed 55mm focal length. Primes usually open wider than zooms; this one opens to f/1.2.
What is the Nikon AI Nikkor 55mm f/1.2 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 83mm on full frame, with a 24.6° horizontal and 29.4° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Nikon AI Nikkor 55mm f/1.2 fit?
Any Nikon F-mount camera, including Nikon D3, Nikon D300, Nikon D3000, Nikon D300S, and Nikon D3100 and 35 more.
Alternatives for Nikon F from other brands
All Nikon F lensesSame mount, overlapping focal range, closest maximum aperture first.