Difference between revisions of "Zuiko"

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* '''75/4.5''', five elements in three groups
 
* '''75/4.5''', five elements in three groups
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** marked ''Zuiko–S 1:4,5 f=7,5cm Takatiho Tokyo No.1xxxx'', black face (lowest 12507, highest 13501):
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** marked ''Zuiko–S 1:4,5 f=7,5cm Takatiho Tokyo No.1xxxx'', black face (lowest 12507, highest 13501):
 
*** [[Olympus Six#Five-element lenses|Super Olympus I]]
 
*** [[Olympus Six#Five-element lenses|Super Olympus I]]
  
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* '''75/3.5''', five elements in three groups
 
* '''75/3.5''', five elements in three groups
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** marked ''Zuiko–S 1:3,5 f=7,5cm Takatiho Tokyo No.1xxxx'', silver face (lowest 12126, highest 12126):
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** marked ''Zuiko–S 1:3,5 f=7,5cm Takatiho Tokyo No.1xxxx'', silver face (lowest 12126, highest 12126):
 
*** [[Olympus Six#Five-element lenses|Super Olympus II]]
 
*** [[Olympus Six#Five-element lenses|Super Olympus II]]
  
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=== High-aperture lenses ===
 
=== High-aperture lenses ===
−
Three high-aperture lenses were developed from 1936&ndash;7, using Japanese optical glass, after a request from the Japanese government:<REF> Sakai, p.7 of {{KKS}} no.20. "Orinpasu kamera shisakuki 2-shu", p.59 of the same magazine. Japanese optical glass: Sakurai Eiichi, p.67 of the same magazine. </REF>
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Three high-aperture lenses were developed from 1936–7, using Japanese optical glass, after a request from the Japanese government:<REF> Sakai, p.7 of {{KKS}} no.20. "Orinpasu kamera shisakuki 2-shu", p.59 of the same magazine. Japanese optical glass: Sakurai Eiichi, p.67 of the same magazine. </REF>
 
* '''Zuiko f/2.7''', five elements in three groups
 
* '''Zuiko f/2.7''', five elements in three groups
 
* '''Falcon f/2''', six elements in four groups
 
* '''Falcon f/2''', six elements in four groups
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== Bibliography ==
 
== Bibliography ==
 
* {{Showa10}}
 
* {{Showa10}}
−
* Hagiya Takeshi (萩谷剛). "Orinpasu kamera no subete 1: supuringu kamera <senzen-hen>" (オリンパスカメラのすべて1・スプリングカメラ戦前編, "All of Olympus cameras 1: folding cameras [prewar]"). {{KKS020}} Pp.13&ndash;5.
+
* Hagiya Takeshi (萩谷剛). "Orinpasu kamera no subete 1: supuringu kamera <senzen-hen>" (オリンパスカメラのすべて1・スプリングカメラ戦前編, "All of Olympus cameras 1: folding cameras [prewar]"). {{KKS020}} Pp.13–5.
 
* Maitani Yoshihisa (米谷美久). [http://www.olympus-zuiko.com/dev_spirits/maitani/vol01/index.html "Kamera-zukuri he no bōken"] (カメラ創りへの冒険, "Venturing into camera production"). Volume 1 of [http://www.olympus-zuiko.com/dev_spirits/index.html ''Haikei &mdash; Sekkeisha yori''] (拝啓・設計者より, "Dear Sir, from the designer"). Published in the [http://www.olympus-zuiko.com/ Zuiko Club website], belonging to the Olympus Imaging Corp.
 
* Maitani Yoshihisa (米谷美久). [http://www.olympus-zuiko.com/dev_spirits/maitani/vol01/index.html "Kamera-zukuri he no bōken"] (カメラ創りへの冒険, "Venturing into camera production"). Volume 1 of [http://www.olympus-zuiko.com/dev_spirits/index.html ''Haikei &mdash; Sekkeisha yori''] (拝啓・設計者より, "Dear Sir, from the designer"). Published in the [http://www.olympus-zuiko.com/ Zuiko Club website], belonging to the Olympus Imaging Corp.
 
* "Orinpasu kamera shisakuki 2-shu" (オリンパスカメラ試作機2種, "Two experimental Olympus cameras"). Anonymous column about the Olympus Standard and Olympus Eye Flex. {{KKS020}} P.59.
 
* "Orinpasu kamera shisakuki 2-shu" (オリンパスカメラ試作機2種, "Two experimental Olympus cameras"). Anonymous column about the Olympus Standard and Olympus Eye Flex. {{KKS020}} P.59.
 
* "Orinpasu renzu hoi" (オリンパスレンズ補遺, "Olympus lens appendix"). Anonymous column about various Zuiko lenses. {{KKS020}} P.81.
 
* "Orinpasu renzu hoi" (オリンパスレンズ補遺, "Olympus lens appendix"). Anonymous column about various Zuiko lenses. {{KKS020}} P.81.
−
* Sakai Shūichi (酒井修一). "Orinpasu no rekishi" (オリンパスの歴史, "History of Olympus"). {{KKS020}} Pp.6&ndash;9.
+
* Sakai Shūichi (酒井修一). "Orinpasu no rekishi" (オリンパスの歴史, "History of Olympus"). {{KKS020}} Pp.6–9.
−
* "Zadankai: Orinpasu no michi" (座談会・オリンパスの道, "Conversation: the way of Olympus"). Interview of Sakurai Eiichi (桜井栄一), Maitani Yoshihisa (米谷美久) and Kawazoe Mitsuo (河添光男), by Saeki Kakugorō (佐伯恪五郎). {{KKS020}} Pp.64&ndash;71.
+
* "Zadankai: Orinpasu no michi" (座談会・オリンパスの道, "Conversation: the way of Olympus"). Interview of Sakurai Eiichi (桜井栄一), Maitani Yoshihisa (米谷美久) and Kawazoe Mitsuo (河添光男), by Saeki Kakugorō (佐伯恪五郎). {{KKS020}} Pp.64–71.
  
 
== Links ==
 
== Links ==

Revision as of 10:58, 28 April 2008

Zuiko is the name of the camera lenses made by Olympus, from the first one, mounted in 1936 on the Semi Olympus, to the present day. All the Olympus cameras use the Zuiko lenses made by the company.

Zuikō is written 瑞光 in Japanese and can be translated as "auspicious optics" or "auspicious light". The name was adopted after a contest open to the company employees,[1] being a contraction of the first characters of "Mizuho Kōgaku Kenkyūjo" (瑞穂光学研究所, meaning Mizuho Optical Research Institute), name of a branch of Takachiho Seisakusho (the later Olympus) founded to develop the camera lens.

Where a lens is denominated with a letter before the Zuiko name (e.g. D.Zuiko or F.Zuiko) it represents the number of optical elements in the lens. The letter's placing in the alphabet corresponds to the number of elements present — so a D.Zuiko lens has 4 elements, and a F.Zuiko has 6. Olympus began to phase out these letter designations when introducing new products in the early 1980s (e.g. the XA-3 and XA-4).

Zuiko interchangeable lenses

Zuiko for other companies

The Zuiko lenses were also mounted on some cameras made by other Japanese companies:

List of Zuiko lenses

13.5×18mm lenses

A range of 'Zuiko Digital'-branded lenses developed for the Four-Thirds digital SLR system. See Four-Thirds lenses for further details.

18×24mm lenses

A range of interchangeable SLR lenses for the half-frame Pen F system — see Olympus Pen F lenses for further details.

24×36mm lenses

A single lens was made in Leica screw mount; see Zuiko 4cm f/2.8 for Leica.

A single lens was made in Exakta mount; see Zuiko 4cm f/3.5 for Exakta.

A small range of interchangeable lenses in 42mm screw mount was developed for the Olympus FTL; see 42mm screw lenses for further details.

A large range of interchangeable lenses for the 35mm OM system was developed over a period of thirty years; see Olympus OM lenses for further details.

4×4cm lenses

  • 60/2.8 Olympus D.Zuiko, 4 elements, taking and viewing lens of the Eye Flex B
  • 60/3.5, elements unknown, taking and viewing lens of the Eye Flex A

4×5cm lenses

Interchangeable lenses of the Olympus Standard: see Olympus Standard.

4.5×6cm and 6×6cm lenses

The first prototype lenses made by Takachiho in 1936 include the 75/4.5 mounted on the Semi Olympus, a 105/4.5 for 6.5×9cm format (listed below), and perhaps a 75/3.5.[2]

565416670_afe13fe9e9_m_d.jpg

The "lowest" and "highest" numbers correspond to the serial numbers actually observed.

  • 75/4.5, four elements in three groups
    • marked Takatiho Tôkyô Zuikô 1:4.5 f=75mm. No.xxxx, black face (lowest 1048, highest 1141):
    • marked Zuikô 1:4,5 f=7.5cm Takatiho Tokyo No.xxxx, black face (lowest 144x, highest 3797):
    • marked Zuiko 1:4,5 f=7.5cm Takatiho Tokyo No.xxxx, black face (lowest 5253, highest 7157):
  • 75/4.5, five elements in three groups
    • marked Zuiko–S 1:4,5 f=7,5cm Takatiho Tokyo No.1xxxx, black face (lowest 12507, highest 13501):
  • 75/3.5, four elements in three groups, prewar and wartime
    • marked Zuiko 1:3,5 f=7,5cm Takatiho Tokyo No.xxxxx, silver face (lowest 7242, highest 10727)
  • 75/3.5, four elements in three groups, recomputed in 1946
    • marked Zuiko 1:3,5 f=7,5cm Takatiho Tokyo No.xxxxx, silver face (lowest 20016, highest 3476x and perhaps 43001):
    • marked Zuiko 1:3.5 f=7.5cm Takatiho Tokyo No.xxxxx, black face:
    • marked Olympus Zuiko Coated 1:3.5 f=7.5cm No.xxxxx, silver face (lowest 52230, highest 58379):
    • marked Olympus Zuiko Coated 1:3.5 f=7.5cm No.xxxxx, red Zuiko, silver face:
    • marked Olympus Zuiko C. 1:3.5 f=7.5cm No.xxxxx, red C., silver face (lowest 89442, highest 944x4):
    • marked Olympus Zuiko C. 1:3.5 f=7.5cm No.xxxxx, red Zuiko C., silver face:
    • marked Olympus Zuiko C. 1:3.5 f=7.5cm No.xxxxxx, black C., silver face (lowest 113x92, highest 115576):
    • marked Olympus Zuiko F.C. 1:3.5 f=7.5cm No.xxxxxx, silver face (lowest 118701, highest 12x309):
    • marked Olympus Zuiko F.C. 1:3.5 f=7.5cm No,xxxxxx, silver face (lowest 330639, highest 338812):
    • marked Olympus Zuiko F.C. 1:3.5 f=7.5cm xxxxxx, silver face (lowest 100711, highest 112305):
    • marked Olympus Zuiko F.C. 1:3.5 f=7.5cm, black face:
  • 75/3.5, five elements in three groups
    • marked Zuiko–S 1:3,5 f=7,5cm Takatiho Tokyo No.1xxxx, silver face (lowest 12126, highest 12126):
  • 75/2.8, six elements in four groups

6.5×9cm lens

  • 105/4.5, four elements in three groups, first prototype lens made by Takachiho, intended for 6.5×9cm plate cameras[3]

High-aperture lenses

Three high-aperture lenses were developed from 1936–7, using Japanese optical glass, after a request from the Japanese government:[4]

  • Zuiko f/2.7, five elements in three groups
  • Falcon f/2, six elements in four groups
  • Olympar f/1.5, six elements in five groups

It seems that the projects were first designed with a focal length of 50mm, then that a 65mm version of the Zuiko f/2.7 and Falcon f/2 was planned for the Olympus Standard.[5] It is unclear if any of these lenses were actually made.[6]

The Olympar f/1.5 design later evolved as the Zuiko 50/1.5, which was produced in small quantities and sold to Shimazu Seisakusho for X-ray cameras made around 1940.[7] It is said that some of these lenses appeared on the market after the war, perhaps in Leica screw mount and perhaps sold by Shimazu as surplus.[8]

Aerial lenses

Enlarging lenses

  • 50/4.5 enlarging lens, sold ¥60 in 1941[11]
  • 75/4.5 enlarging lens, four elements, three groups, marked Olympus Zuiko C. 1:4,5 f=7,5cm xxxxxx[12]
  • 75/3.5 enlarging lens, four elements, three groups[10]

Notes

  1. ↑ Maitani, "Kamera-zukuri he no bōken"; Sakai, p.7 of Kurashikku Kamera Senka no.20; Francesch, p.19.
  2. ↑ The 75/3.5 is only mentioned in Sakai, p.7 of Kurashikku Kamera Senka no.20.
  3. ↑ Hagiya, p.13 of Kurashikku Kamera Senka no.20.
  4. ↑ Sakai, p.7 of Kurashikku Kamera Senka no.20. "Orinpasu kamera shisakuki 2-shu", p.59 of the same magazine. Japanese optical glass: Sakurai Eiichi, p.67 of the same magazine.
  5. ↑ "Orinpasu kamera shisakuki 2-shu", p.59 of Kurashikku Kamera Senka no.20. The Zuiko 65/2.7 and Falcon 65/2 appear in an advertisement for the Olympus Standard dated August 1937, reproduced in Kokusan kamera no rekishi, p.62.
  6. ↑ Sakurai, p.67 of Kurashikku Kamera Senka no.20, seems to imply that they were not.
  7. ↑ Sakurai Eiichi, p.67 of Kurashikku Kamera Senka no.20.
  8. ↑ Sakurai and Saeki, p.67 of Kurashikku Kamera Senka no.20.
  9. ↑ "Orinpasu renzu hoi", p.81 of Kurashikku Kamera Senka no.20, and example observed for sale at a dealer.
  10. ↑ 10.0 10.1 10.2 Mentioned in "Orinpasu renzu hoi", p.81 of Kurashikku Kamera Senka no.20.
  11. ↑ Advertisement dated 1941, reproduced in Nostalgic Camera by Toshio Inamura.
  12. ↑ "Orinpasu renzu hoi", p.81 of Kurashikku Kamera Senka no.20. The example pictured has no.104603.

Bibliography

Links

In Japanese:

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