🔹Lens mount: M39 Leica Thread Mount – Compatible with Industar, Jupiter, and Helios lenses. It was designed as an improved version of the original FED, featuring alonger rangefinder base for precise focusing, aremovable back for easier film loading, and anM39 Leica Thread Mount (LTM), making it compatible withSoviet lenses like Jupiter-8, Industar-61, and Helios.
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