1960s Olympus G Zuiko Auto-S f1.4 40mm Lens

This is a nice example of a 1960s Olympus G Zuiko Auto-S f1.4 40mm Lens, serial number: 166676, Manufactured by Olympus, Japan, this type of lens was used with Olympus Pen F / FT half frame cameras.

There is dust but no obvious sign of fungus in the lens, and it is in pretty good cosmetic condition with slight wear/dirt in the external grooves. 

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