Difference between revisions of "Rojar 80mm f/3.5"
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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]]. | + | 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]]. |
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. | ||
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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. | 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. | ||
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Latest revision as of 05:59, 6 June 2019
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.
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.
