Aetna Actinar 75/3.5

Japanese-made zebra lens distributed by Aetna Optix (later BKA) originally as a wide angle for the Optika IIa (Rittreck) 6×9 SLR camera. See also Macro Actinar.

Dimensions 75 mm
Focal Length (mm)

Max Aperture (f)

Min Aperture (f)


Rear Mount


Serial Numbers



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