Mamiya/Sekor SX Auto 105mm F/2.8
Short telephoto prime lens • Film era • Discontinued
- Announced:
- · 1974
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- Original name:
- · AUTO mamiya/sekor SX 1:2.8 f=105mm
- Class:
- · Fast full-frame short telephoto prime lens
- System:
- · Mamiya SX M42 (1974)
Specification
| Optical design: | |
| 35mm full frame | |
| 105mm | |
| F/2.8 | |
| 4 elements in 4 groups (Ernostar) | |
| M42 [45.5mm] (modified) | |
| 23.3° (35mm full frame) | |
| Diaphragm mechanism: | |
Diaphragm type: | Automatic |
Aperture control: | Aperture ring (Manual settings only) |
| 6 (six) | |
| Focusing: | |
| 1.20m | |
| <No data> | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| 275g | |
| ⌀?×65.4mm | |
| Accessories: | |
| Screw-type 52mm | |
| Built-in telescopic round | |
| Not available |
Sources of data
- Mamiya DSX 1000 & DSX 500 owners operating manual.
- Mamiya MSX 1000 & MSX 500 owners operating manual.
- mamiya/sekor DSX series owners operating manual.
- mamiya/sekor MSX 500 owners operating manual.
- Mamiya single-lens reflex cameras, interchangeable lenses and accessories booklet (1975).
Other short telephoto prime lenses in the Mamiya SX M42 system
| ■M42 mount (3) | |||||||||
| Mamiya/Sekor SX Auto 85mm F/2.8 | A | 4 - 4 | 0.85m | ⌀52 | 1974 ● | ||||
| Mamiya/Sekor SX Auto 85mm F/1.7 | A | 6 - 4 | 0.90m | ⌀58 | ● | ||||
| Mamiya/Sekor SX Auto 100mm F/2.8 | A | 5 - 4 | 1.20m | ⌀52 | ● | ||||
Lenses with similar focal length
| ■M42 mount (18) | |||||||||
| Asahi Super-Takumar 105mm F/2.8 [350, 43500, 43501] | A | 5 - 4 | 1.20m | ⌀49 | 1963 ● | ||||
| Asahi Takumar 100mm F/2 | P | 5 - 5 | 1.00m | ⌀58 | 1964 ● | ||||
| Asahi Takumar 105mm F/2.8 [331, 43310] | P | 4 - 4 | 1.20m | ⌀46 | 1958 ● | ||||
| Asahi Auto-Takumar 105mm F/2.8 [340, 43400] | S | 4 - 4 | 1.20m | ⌀49 | 1959 ● | ||||
| Asahi Takumar 105mm F/2.8 [349, 43490] | P | 5 - 4 | 1.20m | ⌀49 | 1961 ● | ||||
| Asahi Super-Multi-Coated Takumar 105mm F/2.8 [43502] | A | 5 - 4 | 1.20m | ⌀49 | 1971 ● | ||||
| Enna Munchen Ennalyt 95mm F/2.8 | M | 3 - 3 | 1.00m | ⌀52 | ● | ||||
| Fuji Photo Film [EBC] Fujinon-T 100mm F/2.8 | A | 5 - 4 | 1.20m | ⌀49 | 1970 ● | ||||
| Meyer-Optik Gorlitz Trioplan 100mm F/2.8 [V] | P | 3 - 3 | 1.10m | ⌀49 | 1952 ● | ||||
| Meyer-Optik Gorlitz Orestor 100mm F/2.8 | A | 5 - 4 | 1.10m | ⌀49 | 1967 ● | ||||
| Pentacon 100mm F/2.8 auto / electric | A | 5 - 4 | 1.10m | ⌀49 | 1971 ● | ||||
| Sankyo Kohki Komura 105mm F/2 | P | 5 - 4 | 1.50m | ⌀58 | ● | ||||
| Sankyo Kohki Komura 105mm F/2.5 | P | 5 - 4 | 1.50m | ⌀48 | ● | ||||
| Soligor Auto 100mm F/2 MC (s/n 2xxxxxx) akaSpiratone Minitel 100mm F/2 Pluracoat | A | 6 - 4 | 1.50m | ⌀58 | ● | ||||
| Vega-13M 100mm F/2.8 akaВЕГА-13М 100mm F/2.8 | A | 5 - 5 | 1.00m | ⌀58 | ● | ||||
| TTArtisan 100mm F/2.8 | M | 3 - 3 | 0.90m | ⌀49 | 2023 ● | ||||
| Tomioka Tominon Auto 100mm F/2.8 akaTomioka Chinon Auto 100mm F/2.8 | A | ? - ? | 1.20m | ⌀49 | ● | ||||
| Yashica Yashinon-DX Auto 100mm F/2.8 | A | 5 - 4 | 1.20m | ⌀52 | ● | ||||
| ■Interchangeable mount (11) | |||||||||
| Sankyo Kohki Komura 105mm F/2 [Unidapter] | P | 5 - 4 | 1.50m | ⌀58 | 1965 ● | ||||
| Sankyo Kohki Komura 100mm F/1.8 [Unidapter] | P | 5 - 4 | 1.40m | ⌀62 | ● | ||||
| Sankyo Kohki Komura 105mm F/2.5 [Unidapter] | P | 5 - ? | 1.00m | ⌀48 | ● | ||||
| Sankyo Kohki Super-Komura 100mm F/2.5 [Unidapter Auto] | A | 5 - ? | 0.90m | ⌀55 | ● | ||||
| Komuranon 100mm F/2.5 K·M·C | A | 5 - 4 | 0.90m | ⌀58 | 1974 ● | ||||
| Soligor Tele-Auto 105mm F/2.8 (s/n 1xxxxxxx) [T-4] | A | 4 - 4 | 1.50m | ⌀49 | ● | ||||
| Soligor Telephoto 105mm F/2.8 [T] | P | 4 - 4 | 4 ft. | ⌀46 | ● | ||||
| Vega-13A 100mm F/2.8 [T] akaВЕГА-13А 100mm F/2.8 | P | 5 - 5 | 0.80m | ⌀58 | ● | ||||
| Tamron 105mm F/2.5 CT-105 [Adaptall] | A | 4 - 4 | 1.30m | ⌀52 | 1976 ● | ||||
| Tamron Auto 105mm F/2.5 [Adapt-A-Matic] | A | 4 - 4 | 1.00m | ⌀52 | 1972 ● | ||||
| Vivitar Auto 105mm F/2.8 (s/n 37xxxxxxx) [T-4] | A | 4 - 4 | 1.50m | ⌀49 | ● | ||||