INDUSTAR 50-2 3.5/50 Russian Soviet USSR Lens M42 with Adapter for Fujifilm X-Mount FX. Technical Information Industar 50-2 Serial number:7867409 - Made in USSR. Lens mount: X-Mount FX / M42. Notice:Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter.
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