1、HIGH COMPATIBILITY: Suitable for Pentax PK mount lens. Designed for NEX NEX‑C3 NEX‑5C A7 A7S A7SII A7RII A7III A7RIII A7SIII A9 A6500 A6300 A6000 A5100 A5000 A3500 series camera. 2、EXQUISITE CRAFTSMANSHIP: The adapter ring is constructed with aluminum alloy material and is subject to anodic oxidation for a finely crafted, sturdy, and wear resistant finish. 3、Full Manual Control: With support for complete manual control, users can manually focus their shots and adjust their exposure settings. This adapter also has an aperture priority, catering to photographers who prefer more hands on control. 4、INFINITE FOCUSING CAPABILITY: This lens ring mount adapter features a matte paint finish and provides infinite focusing capabilities, greatly enhancing camera usability and image results. 5、PRECISION FIT: The converter ring's mount perfectly fits both the camera and the lens, ensuring tight coupling. The assembly and disassembly are conveniently smooth. Item Type: Lens Ring Mount Adapter Material: Aluminium alloyApplicable Lens: Fit for Pentax PK Mount Lens Fit for NEX NEX-C3 NEX-5C A7 A7S A7SII A7RII A7III A7RIII A7SIII A9 A6500 A6300 A6000 A5100 A5000 A3500 Series Camera 1 x Adapter Ring Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store