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For sale is a clean SMC Pentax-M f/2 50mm Manual Focus Lens for K Mount SLRs. This lens is accepted by any K mount camera body, 35mm or digital, but is fully manual in focusing and mechanical in auto indexing operations. The lens' aperture settings range from f/2-22 and it has a focusing range from infinity down to 0.45m (1.5 ft). The lens barrel is constructed out of metal, and has the feel of quality construction, weighing in at 6oz. The barrel of the lens has no major scratches or gouges, is ingraved with a depth of field calculation scale, and the lens accepts 49mm threaded accessories.

As for the condition of the glass, all elements are free from scratches, fungus or other permanent marring of the glass or coatings. There are a few specks of dust trapped inside the lens, but nothing that will cause image degradation.

As for the mechanics of the lens, the aperture ring clicks into its settings accurately and positively, the focus ring has a smooth and secure movement, and the aperture blades are oil free and spring closed quickly when manually tested. The lens also mounts smoothly and securely on a camera.

Included in the sale is a Pentax 51mm rubber slip on type lens cap and rear lens cap for K-mount lenses.

SMC Pentax-M f/2 50mm Manual Focus Lens for K Mount SLRs with Lens Caps


  • Vintage item from the 1980s
  • Materials: metal, glass, plastic
  • Only ships to United States from Arizona, United States.
  • Feedback: 27 reviews
  • Favorited by: 13 people