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THE PRAKTINA SYSTEM

 

Isco Optische Werke GmbH

ISCO was founded in 1936 by Josef August Schneider, Kreuznach, as a limited partnership under the name "Jos. Schneider & Co., Optische Werke, Göttingen". The company is still in business.

ManufacturerIsco Optische Werke GmbH
Company locationGöttingen, West Germany
Manufacturer's name on the lensesIsco-Göttingen

Lenses with fixed mount

Lens Name Focal
Lenght
Aperture
Max-Min
Elem./
Groups
Closest
Focus m
Diaph.
Type
Finishing Filter Size
mm
Westrogon
24 4 - 22 8 / 6 0.5 BV black with zebra rings 82x0.75
Westron
28 4 - 16 7 / 6 0.3 BV silver 46x0.75
Westron
35 2.8 - 16 5 / 5 0.3 BV silver (ver.1)
black with zebra rings (ver.2)
46x0.75
Westromat
50 1.9 - 22 6 / 4 0.5 ASB black with zebra rings 49x0.75
Tele-Westanar
135 3.5 - 22 5 / 4 1.35 RB silver (ver.1)
black with zebra rings (ver.2)
49x0.75
Westromat
135 3.5 - 22 5 / 4 2.0 ASB black 49x0.75
Tele-Iscaron
135 2.8 - 22 4 / 3 1.35 BV black 54x0.75
Westanar
180 4.5 - 22 4 / 3 1.5 BV black 52x0.75
Tele-Westanar
180 4 - 22 4 / 3 2.4 RB black 54x0.75
Tele-Iscaron
180 2.8 - 22 5 / 3 1.8 BV black 69x0.75

   

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Last modified: December 16, 2019
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