Takumar 1:3,5 f=50mm Asahi-Kogaku (pre-set)

Main technical characteristics of Takumar 1:3,5 f=50mm Asahi-Kogaku:

Instance name	Takumar 1:3,5 f=50mm Asahi-Kogaku
Basic properties	M37×1 - rare seat thread manual focus only aperture control ring aperture preset lens suitable for full-frame cameras
Front Filter Diameter	32 mm
Focal length	50 mm
Zoom ratio	1 X (this is a fixed lens, it does not have a zoom).
Designed by	for film cameras with a frame size of 24 x 36
Number of aperture blades	10 (?)
Tags	focus distance scale in feet depth of field scale aperture value
Diaphragm	from f / 3.5 to f / 16.
MDF	3 feet
The weight	180 grams
Optical design	4 elements in 3 groups.
Lens hood
Manufacturer country	Japan
Period	1952. Has no further development. Later, the company switched to lenses for M42 mounting threads.
Price	About 100 cu for used option.

Appearance

All major versions of similar lenses Asahi Opt. Co., Takumar / Pentax:

1.2/50

1. SMC PENTAX 1: 1.2 / 50 ASAHI OPT. CO., JAPAN (7/6, 20947, 1975-1984)
2. SMC PENTAX 1:1.2/50 ASAHI OPT. CO.,JAPAN'GOLD' (7/6, 1981)
3. SMC PENTAX-A 1: 1.2 50mm (7/6, 20987, 1984-2004)
4. SMC PENTAX-A 1: 1.2 50mm Special (7/6, 2000)

1.4 / 50 (video)

1. Super takumar 1: 1.4 / 50 Asahi Opt. Co., Lens made in Japan (8/6, 358, 1964-1966)
2. Super takumar 1: 1.4 / 50 Asahi Opt. Co. Lens made in japan (7/6, 37800, 1965-1971, F/2 in number)
3. Super takumar 1: 1.4 / 50 Asahi Opt. Co. Lens made in japan (7/6, 37801, 1965-1971, F/2 dot)
4. Super takumar 1: 1.4 / 50 Asahi Opt. Co., Lens made in Japan (7/6, 37802, 1965-1971, comma after 'CO.')
5. Super-Multi Coated TAKUMAR 1: 1.4 / 50 ASAHI OPT. CO., JAPAN (7/6, 37902, 1971-1972)
6. SMC TAKUMAR 1: 1.4 / 50 ASAHI OPT. CO., JAPAN (7/6, 37908, 1972-1975)
7. SMC PENTAX 1: 1.4 / 50 ASAHI OPT. CO., JAPAN (7/6, 20847, 1975-1977)
8. SMC PENTAX-M 1: 1.4 50mm ASAHI OPT. CO., JAPAN (7/6, 20867, 1977-1984)
9. SMC PENTAX-A 1: 1.4 50mm (7/6, 20887, 1984-1989)
10. SMC PENTAX-F 1: 1.4 50mm (7/6, 20827, 1987-1991)
11. SMC PENTAX-FA 1: 1.4 50mm (7/6, 20817, 1991-2023)
12. HD PENTAX-D FA * 1: 1.4 50mm SDMAW (15/9, 21260, 2018->)
13. SMC PENTAX-FA 1: 1.4 50mm Classic (7/6, 2023->)
14. HD PENTAX-FA 1: 1.4 50mm (7/6, 2023->)

1.8 / 55 (video)

1. takumar 1:1.8 f=55mm Asahi OPT. CO., Japan (6/5, 1958, zebra)
2. Auto-takumar 1:1.8 f=55mm Asahi OPT. CO., Japan (6/5, 1958-1960, zebra)
3. Auto-takumar 1:1.8/55 ASAHI OPT. CO., Lens made in Japan (6/5, 1960, with 'R')
4. Auto-takumar 1:1.8/55 ASAHI OPT. CO., Lens made in Japan (6/5, 1960-1962, no 'R', oblique lines of the depth of field)
5. Auto-takumar 1:1.8/55 ASAHI OPT. CO., Lens made in Japan (6/5, 1962, no 'R', straight lines of depth of field)
6. Super takumar 1: 1.8 / 55 Asahi Opt. Co., Lens made in Japan (6/5, 1962, fine ribs, f/1.8 left)
7. Super takumar 1: 1.8 / 55 Asahi Opt. Co., Lens made in Japan (6/5, before 1965, fine ribs, f/1.8 right)
8. Super takumar 1: 1.8 / 55 Asahi Opt. Co. Lens made in japan (6/5, 37106, before 1971, large ribs)
9. Super-Multi Coated TAKUMAR 1: 1.8 / 55 ASAHI OPT. CO., JAPAN (6/5, 37104, 1971-1972)
10. SMC TAKUMAR 1: 1.8 / 55 ASAHI OPT. CO., JAPAN (6/5, 37108, 1972-1975)
11. SMC PENTAX 1: 1.8 / 55 ASAHI OPT. CO., JAPAN (6/5, 20747, 1975-1977)

2 / 55 (1.9 / 55)

1. Auto-takumar 1:1.9 f=55mm Asahi Opt. Co.,Japan (6/5, 1958-1959)
2. Auto-takumar 1: 2 f = 55mm Asahi Opt. Co., Japan (6/5, 1958-1959, zebra)
3. Auto-takumar 1: 2 f = 55mm Asahi Opt. Co., Japan (6/5, 34100, 1958-1959)
4. Super takumar 1: 2 / 55 Asahi Opt. Co., Lens made in Japan (6/5, small fins, F/2 left)
5. Super takumar 1: 2 / 55 Asahi Opt. Co., Lens made in Japan (6/5, small ribs, F/2 on the right)
6. Super takumar 1: 2 / 55 Asahi Opt. Co. Lens made in japan (6/5, 37103, 1962-1973, large ribs)
7. Super takumar 1: 2 / 55 Asahi Opt. Co. Lens made in japan (6/5, 37107, additional aperture pins)
8. SMC TAKUMAR 1: 2 / 55 ASAHI OPT. CO., JAPAN (6/5, 37109, 1973-1975)
9. SMC PENTAX 1: 2 55mm ASAHI OPT. CO., JAPAN (6/5, 1976-1977)

1.7/50

1. SMC PENTAX-M 1: 1.7 50mm ASAHI OPT. CO., JAPAN (6/5, 20877, 1977-1984)
2. SMC PENTAX-A 1: 1.7 50mm (6/5, 20897, 1984-1989)
3. SMC PENTAX-F 1: 1.7 50mm (6/5, 20837, 1987-1991)
4. SMC PENTAX-FA 1: 1.7 50mm (6/5, 20907, 1991-2004)

2/50

1. SMC PENTAX-M 1:2 50mm ASAHI OPTICAL CO. (5/5, 20677, 1979-1985)
2. SMC PENTAX-A 1: 2 50mm (5/5, 20697, 1985-1998)

2.2/55

1. takumar 1:2.2/55 Asahi Opt. CO., Japan (6/5, 1961-1963)
2. Auto-takumar 1:2.2/55 ASAHI OPT. CO., Lens made in Japan (6/5, 1961-1963)

2/58

1. takumar 1:2 f=58mm Asahi Opt. Co., Japan (6/4, 1957-1958)
2. takumar 1: 2 f = 58mm Asahi Opt. Co., Japan (6/4, 1957-1958, labeled 'R')

DA (APS-C: 1.4/55 DA* + 1.8/50 DA)

1. SMC PENTAX-DA * 1: 1.4 55mm SDM (9/8, 21790, 2008->)
2. SMC PENTAX-DA 1: 1.8 50mm (6/5, 22177, 2012->)

Asahi-Kogaku (M37x1, 3.5/50 + 2.4/58 -> M42)

1. takumar 1: 3,5 f = 50mm Asahi-kogaku (4/3, 1952, M37×1)
2. takumar 1: 3.5 f = 50mm Asahi-kogaku (4/3, 1952, , M37×1, pre-set)
3. takumar 1: 2.4 f = 58mm Asahi-kogaku (5/3, 1954, M37×1, silver)
4. takumar 1: 2.4 f = 58mm Asahi Opt. Co., Japan (5/3, 1957-1958, M42)

The lens names in this list correspond exactly to the lens name label on the lens barrel (except for the serial number and/or filter diameter).

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Material prepared Arkady Shapoval. Training/Consultations | Youtube | Facebook | Instagram | Twitter | Telegram