Studio : Vivitar

Publisher : Vivitar

Binding : Electronics

Product Description
The Vivitar Auto 3X Custom Teleconverter is a compact teleconverter designed to increase focal length of M42 mount lenses by factor of 3X. Features a handy rotating aperture ring with click-stops of f/1.4 to f/22 to calculate three-stop light loss. It has linkage to preserve automatic aperature control and metering.
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