Description Early preset Yashica Auto Yashinon 50mm f/2 prime lens with M42 screw mount. A beautifully built vintage lens with semi-automatic aperture and classic rendering. Known for its smooth bokeh and sharpness even wide open. Manufactured by Tomioka, this model shares optical DNA with the revered Auto Takumar and Tominon lenses. Features 6-blade diaphragm, 6-element design, and solid metal construction. Fully tested — optics clean, focus smooth, aperture responsive. A standout choice for collectors and M42 enthusiasts.
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