Additional information:
Aetna-Coligon F3.5 135mm is telephoto prime lens for 35mm SLR cameras.
Serial number ending with "E" - built by Sankor.
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A bit hefty
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Sharp wide open, gerat colors
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Some veiling in direct light
This one was sold under the Spectra Coligon brand, Spectra being a US distributors brand, later renamed Aetna, and Coligon was a trademark they often use (also Carsen, Sonagar).
Links to online resources: Posted by: Leo Koikov Date of publication: 26.08.2020
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