Difference between revisions of "Rojar 80mm f/3.5"

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m (Rojar 80mm f/3.5 for Exakta moved to Rojar 80mm f/3.5: not only for Exakta)
(also for M42)
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The '''Rojar 80mm f/3.5''' lens in [[Exakta lenses|Exakta mount]] was made by the Japanese company [[Zeika]] in the 1950s.
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The '''Rojar 80mm f/3.5''' lens was made by the Japanese company [[Zeika]] in the 1950s, in both [[Exakta lenses|Exakta mount]] and [[42mm screw lenses|42mm screw mount]].<REF> The lens with Exakta mount is pictured [http://www.fotonov.com/lens_public/P7251186.JPG] [http://www.fotonov.com/lens_public/P7251187.JPG] [http://www.fotonov.com/lens_public/P7251189.JPG] at www.fotonov.com. The lens with 42mm screw mount has been observed for sale at a dealer. </REF>
  
 
The lens is only known in an all-aluminium barrel, with fully manual diaphragm. The distance ring is engraved in feet, down to 3.5ft, and has no depth-of-field indications. It seems that the lens head turns when focusing. The aperture ring is graduated from 3.5 to 22.
 
The lens is only known in an all-aluminium barrel, with fully manual diaphragm. The distance ring is engraved in feet, down to 3.5ft, and has no depth-of-field indications. It seems that the lens head turns when focusing. The aperture ring is graduated from 3.5 to 22.
  
The front rim is engraved ''Zeika Optco Tokyo ROJAR 1:3.5 f=80mm No.xxxxx''. The only serial number confirmed so far is 60020.<REF> Pictures at www.fotonov.com. [http://www.fotonov.com/lens_public/P7251186.JPG] [http://www.fotonov.com/lens_public/P7251187.JPG] [http://www.fotonov.com/lens_public/P7251189.JPG] </REF>
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The front rim is engraved ''Zeika Optco Tokyo ROJAR 1:3.5 f=80mm No.xxxxx''. The only serial numbers known so far are in the 600xx range.
  
 
== Notes ==
 
== Notes ==
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== Links ==
 
== Links ==
* Pictures of a Zeika Rojar 80mm f/3.5 [http://www.fotonov.com/lens_public/P7251186.JPG] [http://www.fotonov.com/lens_public/P7251187.JPG] [http://www.fotonov.com/lens_public/P7251189.JPG] at www.fotonov.com
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* Pictures of a Zeika Rojar 80mm f/3.5 for Exakta [http://www.fotonov.com/lens_public/P7251186.JPG] [http://www.fotonov.com/lens_public/P7251187.JPG] [http://www.fotonov.com/lens_public/P7251189.JPG] at www.fotonov.com
  
 
[[Category: Exakta mount]]
 
[[Category: Exakta mount]]
 
[[Category: Japanese lenses]]
 
[[Category: Japanese lenses]]

Revision as of 17:01, 3 September 2010

The Rojar 80mm f/3.5 lens was made by the Japanese company Zeika in the 1950s, in both Exakta mount and 42mm screw mount.[1]

The lens is only known in an all-aluminium barrel, with fully manual diaphragm. The distance ring is engraved in feet, down to 3.5ft, and has no depth-of-field indications. It seems that the lens head turns when focusing. The aperture ring is graduated from 3.5 to 22.

The front rim is engraved Zeika Optco Tokyo ROJAR 1:3.5 f=80mm No.xxxxx. The only serial numbers known so far are in the 600xx range.

Notes

  1. The lens with Exakta mount is pictured [1] [2] [3] at www.fotonov.com. The lens with 42mm screw mount has been observed for sale at a dealer.

Links

  • Pictures of a Zeika Rojar 80mm f/3.5 for Exakta [4] [5] [6] at www.fotonov.com