Mamiya-Sekor C 210mm F/4
Short telephoto prime lens • Film era • Discontinued
- Announced:
- · 1975
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- Original name:
- · MAMIYA-SEKOR C 1:4 f=210mm
- Class:
- · Slow 6x4.5 medium-format short telephoto prime lens
- · Professional model (Top class)
- System:
- · Mamiya M645 (1975)
Abbreviations
| C | Multi-layer anti-reflection coating is applied to the surfaces of lens elements. This anti-reflection coating increases light transmission, eliminates flare and ghosting, and maintains color consistence among all lens models. |
Model history (3)
| ■Mamiya-Sekor C 210mm F/4 | A | 5 - 4 | 2.50m | ⌀58 | 1975 ● | |
| ■Mamiya-Sekor C 210mm F/4 N | A | 5 - 4 | 2.50m | ⌀58 | ● | |
| ■Mamiya 645 AF 210mm F/4 ULD IF | A | 7 - 5 | 2.00m | ⌀58 | 2000 ● | |
Specification
| Optical design: | |
| Medium format 6x4.5 | |
| 210mm | |
| F/4 | |
| 5 elements in 4 groups (Ernostar) | |
| Mamiya M645 [63mm] | |
| 18.9° | |
| Diaphragm mechanism: | |
Diaphragm type: | Automatic |
Aperture control: | Aperture ring (Manual settings only) |
| 9 (nine) | |
| Focusing: | |
| 2.50m | |
| 1:10 | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| 775g | |
| ⌀70×137mm | |
| Accessories: | |
| Screw-type 58mm | |
| Built-in telescopic round | |
| Mamiya M645 Teleconverter 2X N → 420mm F/8 |
Sources of data
- Mamiya-Sekor C interchangeable lenses for Mamiya M645 instructions.
- Mamiya-Sekor C interchangeable lenses instructions.
- Mamiya-Sekor C interchangeable lenses for Mamiya M645 Super/ M645 instructions.
- Mamiya-Sekor C interchangeable lenses for Mamiya M645 instructions (II).
- Mamiya M645 booklet (1982).
- Mamiya M645 booklet (1981).
- Mamiya M645 instructions (II).
- Mamiya M645 instructions.
- Mamiya M645 1000S booklet.
- Mamiya M645 1000S instructions.
- Mamiya M645J instructions.
- Mamiya M645J instructions (II).
- Mamiya M645 Super booklet.
Manufacturer description
The uses of this medium tele are unlimited and its dependability is unrivalled. The compact design has reduced the weight to a mere 715 grams. It has a built-in lens hood to make it still more useful in all outdoor shooting situations - sports, nature, etc. The five lens elements are arranged in four groups.
Other short telephoto prime lenses in the Mamiya M645 system
| ■Mamiya M645 mount (10) | |||||||||
| Mamiya-Sekor C 110mm F/2.8 N | A | 5 - 5 | 1.20m | ⌀58 | ● | ||||
| Mamiya-Sekor C 110mm F/2.8 | A | 5 - 5 | 1.20m | ⌀58 | 1976 ● | ||||
| Mamiya-Sekor C 145mm F/4 SF | A | 7 - 5 | 1.50m | ⌀77 | ● | ||||
| Mamiya-Sekor C 150mm F/4 | A | 5 - 4 | 1.50m | ⌀58 | 1975 ● | ||||
| Mamiya A 150mm F/3.8 N/L | A | 5 - 5 | 1.50m | ⌀67 | 1992 ● | ||||
| Mamiya-Sekor C 150mm F/3.5 N | A | 5 - 5 | 1.50m | ⌀58 | ● | ||||
| Mamiya-Sekor C 150mm F/3.5 | A | 5 - 5 | 1.50m | ⌀58 | 1981 ● | ||||
| Mamiya A 150mm F/2.8 | A | 6 - 4 | 1.50m | ⌀67 | 1996 ● | ||||
| Mamiya A 200mm F/2.8 APO | A | 7 - 5 | 2.50m | ⌀77 | 1996 ● | ||||
| Mamiya-Sekor C 210mm F/4 N | A | 5 - 4 | 2.50m | ⌀58 | ● | ||||