Nikon AI Nikkor 50mm F/1.2
Standard prime lens • Film era • Discontinued
- Announced:
- · March 1978
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- Original name:
- · Nikon NIKKOR 50mm 1:1.2
- Class:
- · Ultra-fast full-frame standard prime lens
- System:
- · Nikon F (1959)
Abbreviations
| AI | A manual focus lens with automatic maximum aperture indexing, which is a mechanical system for coupling the lens to the camera's exposure system. Learn more |
Model history (6)
| ■Nippon Kogaku Nikkor-S Auto 55mm F/1.2 | A | 7 - 5 | 0.60m | ⌀52 | 1965 ● | |
| ■Nippon Kogaku / Nikon Nikkor-S[·C] Auto 55mm F/1.2 | A | 7 - 5 | 0.60m | ⌀52 | 1967 ● | |
| ■Nikon Nikkor 55mm F/1.2 | A | 7 - 5 | 0.50m | ⌀52 | 1974 ● | |
| ■Nikon AI Nikkor 55mm F/1.2 | A | 7 - 5 | 0.50m | ⌀52 | 1977 ● | |
| ■Nikon AI Nikkor 50mm F/1.2 | A | 7 - 6 | 0.50m | ⌀52 | 1978 ● | |
| ■Nikon AI-S Nikkor 50mm F/1.2 | A | 7 - 6 | 0.50m | ⌀52 | 1981 ● | |
Specification
| Optical design: | |
| 35mm full frame | |
| 50mm | |
| F/1.2 | |
| 7 elements in 6 groups (Double Gauss derivative) | |
| Nikon F [46.5mm] | |
| 46.8° (35mm full frame) | |
| On Nikon D APS-C [1.53x] cameras: | |
35mm equivalent focal length: | 76.5mm (in terms of field of view) |
35mm equivalent speed: | F/1.8 (in terms of depth of field) |
Diagonal angle of view: | 31.6° |
| Diaphragm mechanism: | |
Diaphragm type: | Automatic |
Aperture control: | Aperture ring (Manual settings only) |
| 7 (seven) | |
| Focusing: | |
| 0.50m | |
| <No data> | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| 390g | |
| ⌀70×47.5mm | |
| Accessories: | |
| Screw-type 52mm | |
| HS-12 - Snap-on round | |
| HR-2 - Screw-type round | |
| Nikon Teleconverter TC-14 → 70mm F/1.7 | |
| Nikon Teleconverter TC-14A → 70mm F/1.7 | |
| Nikon Teleconverter TC-200 → 100mm F/2.4 | |
| Nikon Teleconverter TC-201 → 100mm F/2.4 |
Sources of data
- Manufacturer's technical data.
- Nikkor lenses sales manual (January 1979).
- Nikon Sales Manual (June 1978).
From the editor
A successor of the AI Nikkor 55mm f1.2. It has a significantly better optical performance particularly at the critical widest aperture and is slightly lighter at 390g.
Notes
- This AI lens was designed for Nikon F3, EL2, EM, FE, FE2, FE10, FG-20, FM, FM2, FM10, FM3A, Nikkormat FT3 AI cameras and Nikon FA, FG, N2000, N6000 AI-S cameras.
- AI and AI-S lenses are backward compatible with Nikon F, F2, Nikkormat FS, FT, FT2, FTN, EL, ELW cameras.
- On Nikon digital SLR cameras, the automatic exposure metering with AI and AI-S lenses will not be available on D40, D40X, D60, D70, D70s, D80, D3000-D3500, D5000-D5600 series.
Other standard prime lenses in the Nikon F system
Lenses with similar focal length
| ■Nikon F mount (10) | |||||||||
| Cosina Voigtlander Nokton 55mm F/1.2 SL II S | A | 7 - 6 | 0.45m | ⌀52 | 2023 ● | ||||
| Irix 45mm F/1.4 SLR | A | 11 - 9 | 0.40m | ⌀77 | 2020 ● | ||||
| Helios-81N 50mm F/2 MC akaArsat H 50mm F/2 akaHelios-81M 53mm F/2 [MC] akaHelios-81N 53mm F/2 akaГЕЛИОС-81М 53mm F/2 [МС] akaГЕЛИОС-81Н 50mm F/2 МС akaГЕЛИОС-81Н 53mm F/2 | A | 6 - 4 | 0.50m | ⌀49 | 1978 ● | ||||
| Helios-123N 50mm F/1.4 MC akaArsat H 50mm F/1.4 akaГЕЛИОС-123Н 50mm F/1.4 МС | A | 7 - 6 | 0.45m | ⌀52 | 1990 ● | ||||
| Volna-8N 50mm F/1.2 MC akaВОЛНА-8Н 50mm F/1.2 МС | A | 7 - 6 | 0.50m | ⌀58 | 1983 ● | ||||
| Risespray 50mm F/1.7 SLR | M | 6 - 5 | 0.50m | ⌀52 | ● | ||||
| Risespray 50mm F/1.4 SLR akaLightdow 50mm F/1.4 SLR | M | 7 - 6 | 0.45m | ⌀55 | ● | ||||
| Carl Zeiss Classic Planar T* 50mm F/1.4 ZE / ZF.2 / ZK / ZS | A | 7 - 6 | 0.45m | E58 | 2006 ● | ||||
| ZEISS Otus Apo Distagon T* 55mm F/1.4 ZE / ZF.2 | A | 12 - 10 | 0.50m | E77 | 2013 ● | ||||
| ZEISS Milvus Distagon T* 50mm F/1.4 ZE / ZF.2 | A | 10 - 8 | 0.45m | E67 | 2015 ● | ||||
| ■Nikon F mount (1) · APS-C | |||||||||
| Zenitar 50mm F/1.2 S | M | 8 - 7 | 0.45m | ⌀62 | 2015 ● | ||||
| ■Interchangeable mount (1) | |||||||||
| MS Optics MS-Mode-S 50mm F/1.3 Dualsystem (200 units) | M | 5 - 4 | 1.00m | ⌀49 | 2006 ● | ||||