Zeiss Protar Combinable or Convertible Lens

Made:
circa 1922
maker:
Zeiss Ikon AG
Zeiss Protar Combinable or Convertible Lens

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Zeiss Protar Combinable or convertible lens F.6..3 7.5 inch f.l if combined lens used. If only one part used then focal length is 11.5 inch with a maximum aperture F.12.5. Since same components are used, they are of the same focal length as long as it is on the front. The lens is mounted in an Ilex pre set shutter with speeds 1 sec - 1/100b sec B. & T. Zeiss Ikon, c.1922

Details

Category:
Photographic Technology
Collection:
Arthur Frank Collection
Object Number:
1979-559/1200
Materials:
glass
Measurements:
overall: 45 mm x 75 mm x 75 mm,
type:
lens
credit:
The Arthur Frank Collection