Zuiko

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

Zuikô is written 瑞光 in Japanese and means "auspicious optics".

Zuiko interchangeable lenses

• E series
• OM series: see Olympus OM lenses
• M42 (FTL) series: see 42mm screw lenses
• Pen F series: see Olympus Pen F lenses
• Ace series: see Olympus Ace
• Exakta lens: see Exakta lenses
• Leica screw lens: see 39mm screw lenses

Zuiko for other companies

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

• Elmoflex by Elmo
• Mamiya Six by Mamiya

List of Zuiko lenses

4.5x6 and 6x6 lenses

• 75/4.5
  • four elements, three groups
    • marked Takatiho Tokyo Zuiko 1:4.5 f=75mm, black face, on the early Semi Olympus I
    • marked Takatiho Tokyo Zuiko 1:4.5 f=7.5cm, black face, on the late Semi Olympus I, the Semi Olympus II and the Olympus Six I

• 75/3.5
  • four elements, three groups
    • marked Takatiho Tokyo Zuiko 1:3.5 f=7.5cm, white face, on the Olympus Six II, the postwar Olympus Six, the Chrome Six I and some Mamiya Six
    • marked Olympus Zuiko C. 1:3.5 f=7.5cm, black C., white face, on some Chrome Six IIIA
    • marked Olympus Zuiko C. 1:3.5 f=7.5cm, red C., white face, on some Chrome Six IIIA
    • marked Olympus Zuiko C. 1:3.5 f=7.5cm, red Zuiko C., white face, on some Mamiya Six
    • marked Olympus Zuiko F.C. 1:3.5 f=7.5cm, white face, on some Chrome Six IIIA
    • marked Olympus D.Zuiko F.C. 1:3.5 f=7.5cm, white face, on some Chrome Six IIIA and on the Chrome Six IVA, possibly recomputed
    • marked Olympus D.Zuiko F.C. 1:3.5 f=7.5cm, black face, on the Chrome Six VA and Chrome Six RIIA, taking lens on the Olympus Flex A3.5
    • also taking lens on the Olympus Flex BII, Olympus Flex A3.5 II and some Elmoflex
  • five element, on some Olympus Six

• 75/3.5 as viewing lens
  • four elements
    • marked Olympus D.Zuiko F.C. 1:3.5 f=7.5cm, black face, viewing lens of the Olympus Flex A3.5 II
  • elements unknown
    • marked Olympus Zuiko F.C. 1:3.5 f=7.5cm, black face, viewing lens of the Olympus Flex A3.5
    • also viewing lens of some Elmoflex

• 75/2.8
  • four elements
    • marked Olympus D.Zuiko F.C. 1:2.8 f=7.5cm, black face, taking lens of the Olympus Flex A2.8
  • six elements, four groups
    • marked Olympus Zuiko F.C. 1:2.8 f=7.5cm, black face, taking lens on the Olympus Flex I and Olympus Flex BI, called F-Zuiko on the camera's box
  • elements unknown
    • marked Takatiho Tokyo Zuiko 1:2.8 f=7.5cm, black face, on the Chrome Six II
    • marked Olympus Zuiko F.C. 1:2.8 f=7.5cm, black face, on the Chrome Six IIIB, Chrome Six IVB, Chrome Six VB and Chrome Six RIIB

• 75/2.8 as viewing lens
  • four elements, three groups
    • marked Olympus Zuiko F.C. 1:2.8 f=7.5cm, black face, viewing lens of the Olympus Flex I, Olympus Flex BI and Olympus Flex BII
  • elements unknown
    • marked Olympus Zuiko F.C. 1:2.8 f=7.5cm, black face, viewing lens of the Olympus Flex A2.8

Other lenses

• 200/4.5, marked Takatiho Zuiko, for aerial camera, only heard of