smc Pentax-A 35mm F/2.8
Wide-angle prime lens • Film era • Discontinued
- Announced:
- · March 1983
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- Original name:
- · SMC PENTAX-A 1:2.8 35mm
- Class:
- · Fast full-frame wide-angle prime lens
- System:
- · Pentax K (1975)
Abbreviations
| SMC | 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. |
| A | A manual focus lens with automatic maximum aperture indexing and automatic aperture control. Learn more |
Model history (2)
| ■smc Pentax-M 35mm F/2.8 | A | 6 - 6 | 0.30m | ⌀49 | 1977 ● | |
| ■smc Pentax-A 35mm F/2.8 | A | 6 - 6 | 0.30m | ⌀49 | 1983 ● | |
Specification
| Optical design: | |
| 35mm full frame | |
| 35mm | |
| F/2.8 | |
| 6 elements in 6 groups | |
| Pentax K [45.5mm] | |
| 63.4° (35mm full frame) | |
| On Pentax K APS-C [1.53x] cameras: | |
35mm equivalent focal length: | 53.6mm (in terms of field of view) |
35mm equivalent speed: | F/4.3 (in terms of depth of field) |
Diagonal angle of view: | 44° |
| Diaphragm mechanism: | |
Diaphragm type: | Automatic |
Aperture control: | Aperture ring (Manual settings + Auto Exposure setting) |
| 5 (five) | |
| Focusing: | |
| 0.30m | |
| 1:5.88 | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| 170g | |
| ⌀63×36.5mm | |
| Accessories: | |
| Screw-type 49mm | |
| PH-S49 - Clamp-on rectangular | |
| Pentax Rear Converter-A 1.4X-S → 49mm F/3.9 | |
| Pentax Rear Converter-A 2X-S → 70mm F/5.6 |
Sources of data
- Manufacturer's technical data.
- smc Pentax-A lenses operating manual.
- Pentax lenses & accessories booklet (December 1986).
- Pentax 35mm SLR lenses.
- Pentax super A booklet (PUB. 06101) (May 1983).
- Pentax A3 booklet (PUB. 08061) (January 1985).
- Pentax cameras booklet (PUB. 06091, 40 pages) (March 1987).
- Pentax SLR cameras booklet (PUB. 050101) (September 1988).
- Pentax Super Program booklet (PUB. 06191).
- Pentax New "A" Series Lenses booklet (PUB. 06701) (April 1984).
- Pentax lenses & accessories - A Comprehensive and Versatile Photographic System booklet.
Pentax-A series
The third generation of lenses designed for Pentax 35mm SLR cameras with bayonet mount. Introduced with the Pentax super A in 1983.
- Robust, all-metal design with recessed focusing distance scale;
- Fully automatic diaphragm;
- Support for TTL open-aperture metering;
- Electronic contacts for transmission of aperture information;
- "A" setting on the aperture ring for automatic aperture control in the Programmed AE and Shutter-priority AE modes;
- Extremely accurate manual focusing with rubberized focusing ring;
- Multi-layer anti-reflection coating.
Other wide-angle prime lenses in the Pentax K system
| ■Pentax K mount (18) | |||||||||
| smc Pentax 24mm F/3.5 | A | 9 - 8 | 0.25m | ⌀58 | 1975 ● | ||||
| smc Pentax 24mm F/2.8 | A | 9 - 8 | 0.25m | ⌀52 | 1977 ● | ||||
| smc Pentax-A 24mm F/2.8 | A | 9 - 8 | 0.25m | ⌀52 | 1983 ● | ||||
| smc Pentax 28mm F/3.5 | A | 8 - 7 | 0.30m | ⌀52 | 1976 ● | ||||
| smc Pentax-M 28mm F/3.5 | A | 6 - 6 | 0.30m | ⌀49 | 1977 ● | ||||
| smc Pentax-M 28mm F/2.8 [I] | A | 7 - 7 | 0.30m | ⌀49 | 1977 ● | ||||
| smc Pentax-M 28mm F/2.8 [II] | A | 7 - 7 | 0.30m | ⌀49 | 1982 ● | ||||
| smc Pentax-A 28mm F/2.8 | A | 7 - 7 | 0.30m | ⌀49 | 1983 ● | ||||
| smc Pentax 28mm F/2 | A | 9 - 8 | 0.30m | ⌀52 | 1976 ● | ||||
| smc Pentax-M 28mm F/2 | A | 8 - 7 | 0.30m | ⌀49 | 1980 ● | ||||
| smc Pentax-A 28mm F/2 | A | 8 - 7 | 0.30m | ⌀49 | 1983 ● | ||||
| smc Pentax 30mm F/2.8 | A | 7 - 7 | 0.30m | ⌀52 | 1975 ● | ||||
| smc Pentax 35mm F/3.5 | A | 5 - 4 | 0.35m | ⌀52 | 1975 ● | ||||
| smc Pentax-M 35mm F/2.8 | A | 6 - 6 | 0.30m | ⌀49 | 1977 ● | ||||
| smc Pentax 35mm F/2 | A | 8 - 7 | 0.35m | ⌀52 | 1975 ● | ||||
| smc Pentax-M 35mm F/2 | A | 7 - 7 | 0.30m | ⌀49 | 1977 ● | ||||
| smc Pentax-A 35mm F/2 | A | 7 - 7 | 0.30m | ⌀49 | 1983 ● | ||||
| smc Pentax-M 40mm F/2.8 • Pancake lens | A | 5 - 4 | 0.60m | ⌀49 | 1976 ● | ||||
Lenses with similar focal length
| ■Pentax K mount (20) | |||||||||
| Chinon Auto 35mm F/2.8 Multi-Coated akaAgfa Color 35mm F/2.8 Multi-Coated | A | 5 - 5 | 0.30m | ⌀49 | 1979 ● | ||||
| Cosina Voigtlander Ultron 40mm F/2 Aspherical SL II • Pancake lens | A | 6 - 5 | 0.38m | ⌀52 | 2007 ● | ||||
| Cosina Voigtlander Ultron 40mm F/2 Aspherical SL | A | 6 - 5 | 0.40m | ⌀52 | 2002 ● | ||||
| Cosina Cosinon Auto 40mm F/2.5 MC • Pancake lens akaBauer Neovaron 40mm F/2.5 Multicoated akaPorst Color Reflex Auto 40mm F/2.5 MC akaVivitar Auto 40mm F/2.5 VMC | A | 5 - 4 | 0.60m | ⌀49 | 1978 ● | ||||
| Cosina Cosinon-W 35mm F/2.8 MC akaPetri 35mm F/2.8 MC akaVivitar Auto 35mm F/2.8 VMC | A | 5 - 5 | 0.40m | ⌀49 | 1981 ● | ||||
| Irix 30mm F/1.4 SLR | A | 13 - 11 | 0.34m | ⌀86 | 2021 ● | ||||
| Lensbaby Burnside 35mm F/2.8 SLR | M | 6 - 4 | ⌀62 | 2018 ● | |||||
| Ricoh XR Rikenon 35mm F/2.8 [II] | A | 6 - 6 | 0.35m | ⌀52 | 1980 ● | ||||
| Ricoh XR Rikenon 35mm F/2.8 [I] | A | 6 - 6 | 0.30m | ⌀52 | 1977 ● | ||||
| Ricoh Rikenon P 35mm F/2.8 | A | 6 - 6 | 0.35m | ⌀52 | 1984 ● | ||||
| Soligor C/D 35mm F/2 P (s/n 1xxxxxxx) | A | 8 - 7 | 0.30m | ⌀58 | 1974 ● | ||||
| Soligor C/D 35mm F/2.8 | A | 6 - 5 | 0.35m | ⌀49 | ● | ||||
| Tokina 35mm F/2.8 RMC akaTokina SL 35mm F/2.8 | A | 6 - 5 | 0.35m | ⌀52 | ● | ||||
| Vivitar Auto Wide-Angle 35mm F/2.8 [I] (s/n 22xxxxxx) | A | 6 - 5 | 0.45m | ⌀52 | 1969 ● | ||||
| Vivitar Auto Wide-Angle 35mm F/1.9 (s/n 28xxxxxx) | A | 8 - 6 | 0.30m | ⌀55 | 1973 ● | ||||
| Vivitar Auto Wide-Angle 35mm F/2.8 [II] (s/n 37xxxxxx) | A | 6 - 5 | 0.40m | ⌀52 | ● | ||||
| Kerlee 35mm F/1.2 SLR | M | 11 - 10 | 0.30m | ⌀72 | 2016 ● | ||||
| Monolens Achromat 35mm F/2.8 Iris Soft SLR | M | 2 - 1 | 0.50m | ⌀43 | 2019 ● | ||||
| Carl Zeiss Classic Distagon T* 35mm F/2 ZE / ZF / ZF.2 / ZK / ZS | A | 9 - 7 | 0.30m | E58 | 2006 ● | ||||
| Zhongyi Mitakon Creator 35mm F/2 SLR akaOshiro 35mm F/2 SLR | M | 7 - 5 | 0.25m | ⌀55 | 2014 ● | ||||
| ■Pentax K mount (1) · APS-C | |||||||||
| Zhongyi Mitakon 35mm F/1.9 SLR | M | 8 - 8 | 0.20m | ⌀49 | 2012 ● | ||||
| ■Interchangeable mount (18) | |||||||||
| Hanimex Wide Angle 35mm F/2.8 [T] | P | 6 - ? | 0.60m | ⌀49 | ● | ||||
| Hanimex Wide 35mm F/3.5 [T] | P | 6 - ? | 0.60m | ⌀52 | ● | ||||
| Kenko 35mm F/4 Soft MC [T] | M | 5 - 5 | 0.30m | ⌀52 | 1996 ● | ||||
| Sankyo Kohki W-Komura 35mm F/2.5 [Unidapter] | P | 7 - 5 | 0.60m | ⌀55 | ● | ||||
| Sankyo Kohki W-Komura 35mm F/2.5 [Unidapter Auto] | A | 7 - ? | 0.50m | ⌀55 | ● | ||||
| Komuranon 35mm F/2.5 K·M·C | A | 7 - 5 | 0.50m | ⌀58 | 1974 ● | ||||
| Sigma[-XQ] MF 35mm F/2.8 Multi-Coated [Flash Auto] [YS] | A | 6 - 5 | 0.50m | ⌀52 | 1975 ● | ||||
| Soligor Wide-Auto 35mm F/2.8 (s/n 1xxxxxxx) [T-4] | A | 6 - 5 | 0.40m | ⌀49 | ● | ||||
| Soligor 35mm F/3.5 [T] | P | 6 - 5 | 3 ft. | ⌀46 | ● | ||||
| Soligor 35mm F/2.8 [T] | P | 6 - 5 | 0.50m | ⌀49 | ● | ||||
| Mir-1A 37mm F/2.8 [T] | P | 6 - 5 | 0.24m | ⌀52 | 1972 ● | ||||
| Tamron Auto 35mm F/2.8 [Adapt-A-Matic] | A | 6 - 5 | 0.30m | ⌀55 | 1969 ● | ||||
| Tamron 35mm F/2.8 [T] akaSoligor 35mm F/2.8 | P | 6 - 5 | 0.90m | 1961 ● | |||||
| Vivitar Wide Angle 35mm F/3.5 [T] | P | 5 - 5 | 0.90m | ⌀46 | ● | ||||
| Vivitar Wide-Angle 35mm F/2.8 [T] | P | 6 - 5 | 0.90m | ⌀52 | ● | ||||
| Vivitar Auto Wide-Angle 35mm F/2.8 (s/n 37xxxxxxx) [T-4] | A | 6 - 5 | 0.45m | ⌀49 | 1968 ● | ||||
| Vivitar Auto Wide-Angle 35mm F/2.5 (s/n 37xxxxxx) [TX] | A | 7 - 7 | 0.28m | ⌀58 | 1976 ● | ||||
| Hanimar 35mm F/3.5 [T] | P | 6 - ? | 0.90m | ⌀52 | ● | ||||