1. Compatibility: Compatible with M42 (42x1mm) screw mount lenses, suitable for E-mount cameras including for A6300, A7, A7R, A7II, A7S, A7M2, for NEX 7, for NEX 6, for NEX 5, for NEX 3, for NEX 5N, for NEX5T, for NEX C3, for NEX 5R, for NEX F3, for NEX 7, for NEX 6, for NEX VG10, VG20, VG30, VG900E, EA50, A6000, VG900, a5000, a3500, a3000, etc. 2. Aluminum Alloy Construction: Made from premium aluminum alloy, this camera lens adapter is long-lasting and non-deforming, with erosion-resistant performance and a high-gloss finish. 3. Superior Craftsmanship: Professional matte color on the inner wall for anti-reflection, with hard oxidation process on black parts and composite electroplating on silver parts for a stylish aesthetic. 4. Secure Lens Mounting: The lens adapter ring allows you to securely mount M42 (42x1mm) screw mount lenses onto E-mount cameras, while still allowing for easy removal when needed. 5. Full Manual Control: Manual operation for focusing and aperture adjustment, achieving manual exposure with the camera body and desired aperture setting. Autofocus, automatic aperture, and AE metering functions are disabled, requiring manual focusing and exposure adjustment. Shoot in manual mode or aperture priority mode.