Petri

C.C. Auto Petri 21mm f/4

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Petri

C.C. Auto Petri 21mm f/4

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Year

1973 – 1977

Focal Type

Prime

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35-70mm f/3.5-4.5 K

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Compatible cameras (8)

Mount-family matches. Check the exact version and supported functions before use.

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Flex 7

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Flex 7

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FT

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FT

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FT II

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FT II

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Penta V

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Penta V

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Penta V2 / Flex V

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Penta V2 / Flex V

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Penta V3 / Flex V3

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Penta V3 / Flex V3

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Penta V6 / Flex V6

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Penta V6 / Flex V6

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Penta V6 II

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Penta V6 II

Focal Length

21mm

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Technical Specifications

CategoryLens

Start Year1973

End Year1977

CountryJapan

MountPetri FT

Focal TypePrime

CompatibilityPetri SLR system

Focal Length21mm

Max Aperturef / 4

Min Aperturef / 16

Optical Formula9 elements / 6 groups

FocusMF

Minimum Focus0.8m

Filter77mm

Weight370g

Dimensions79x60mm

Notes and sources

Ultra-wide Petri FT-mount lens; 9 elements / 6 groups.

References (1)

Catalogue references. These links are separate from documents approved in Documents / Links.

w.atwiki.jp↗

Petri

35-70mm f/3.5-4.5 MC Macro K

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50mm f/1.8 K

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50mm f/1.8 K

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50mm f/2 K

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50mm f/2 K

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Auto Petri 400mm f/6.3 M42

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C.C. Auto Petri 28mm f/2.8 M42

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C.C. Auto Petri 28mm f/3.5

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C.C. Auto Petri 28mm f/3.5

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C.C. Auto Petri 35mm f/2.8

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C.C. Auto Petri 35mm f/2.8

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C.C. Auto Petri 35mm f/2.8 M42

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C.C. Auto Petri 35mm f/2.8 M42

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Kits with Petri C.C. Auto Petri 21mm f/4

C.C. Auto Petri 21mm f/4

Other Petri lenses

Compatible cameras (8)

Technical Specifications

Notes and sources