Zenza Bronica Zenzanon 300mm F/4.5
Medium telephoto prime lens • Film era • Discontinued
- Announced:
- · 1970
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- Original name:
- · Zenza Bronica ZENZANON 1:4.5 f=300mm
- Class:
- · Slow 6x6 medium-format medium telephoto prime lens
- · Professional model (Top class)
- System:
- · Bronica (1959)
Specification
| Optical design: | |
| Medium format 6x6 | |
| 300mm | |
| F/4.5 | |
| 6 elements in 5 groups | |
| Bronica [102mm] | |
| 14.9° | |
| Diaphragm mechanism: | |
Diaphragm type: | Automatic |
Aperture control: | Aperture ring (Manual settings only) |
| <No data> | |
| Focusing: | |
| 4m | |
| <No data> | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| 1900g | |
| <No data> | |
| Accessories: | |
| Screw-type 82mm | |
| Built-in telescopic round | |
| Not available |
Sources of data
- Zenza Bronica S2A instructions.
- Zenza Bronica EC instructions.
From the editor
Introduced at Photokina 1970.
Notes
- When using long focal length lenses (105mm, 300mm and over 300mm) fitted with helicoid focusing, remove the camera's helicoid mount and attach the bayonet adapter to the front of body mount.
Other medium telephoto prime lenses in the Bronica system
| ■Bronica mount (5) | |||||||||
| Nippon Kogaku Nikkor-Q 250mm F/4 | P | 4 - 3 | 2.40m | S.IX | 1958 ● | ||||
| Nikon Nikkor-P·C 300mm F/5.6 | A | 5 - 5 | 4.00m | ⌀67 | ● | ||||
| Nippon Kogaku Nikkor-T 350mm F/4.5 | S | 3 - 3 | 4.00m | S.IX | ● | ||||
| Nippon Kogaku / Nikon Nikkor-Q Auto 400mm F/4.5 | A | 4 - 4 | 5.00m | ⌀122 | 1964 ● | ||||
| Nippon Kogaku Nikkor-T 500mm F/5 | P | 3 - 3 | 6.00m | ⌀110 | ● | ||||
Lenses with similar focal length
| ■Bronica mount (1) | |||||||||
| Sankyo Kohki Komura 300mm F/5 for Bronica | P | 4 - 2 | 5.50m | ⌀62 | ● | ||||