1、M42*0.75mm thread is divided into inner-ring and outer-ring double-layer structure. The camera angle can be adjusted conveniently by fixing the relative position of the inner and outer-ring with 3 screws. 2、The whole is black aluminum alloy and will not fade. Do not hurt telescope thread, two-layer thickened aluminum alloy is very strong, excellent technology. 3、Applicable models: for Samsung NX Mount Cameras and telescope with standard 1.25-inch eyepiece port. 4、Precise fit and solid connection, lens has no play, gap or wiggling when mounted on adapter and no adjustments required. 5、Precision all-metal construction with close and smooth combination for secure and solid fit. Features: 1. M42*0.75mm thread is divided into inner-ring and outer-ring double-layer structure. The camera angle can be adjusted conveniently by fixing the relative position of the inner and outer-ring with 3 screws. 2. The whole is black aluminum alloy and will not fade. Do not hurt telescope thread, two-layer thickened aluminum alloy is very strong, excellent technology. 3. Applicable models: for Samsung NX Mount Cameras and telescope with standard 1.25-inch eyepiece port. 4. Precise fit and solid connection, lens has no play, gap or wiggling when mounted on adapter and no adjustments required. 5. Precision all-metal construction with close and smooth combination for secure and solid fit. Specifications: Condition: 100% Brand New Material: Aluminium Alloy Color: Black Model: T2-NX Size: Standard 1.25inch Mount: NX Mount Thread: M42*0.75mm Package List: 1 * NX Mount Adapter Ring 1 * 1.25inch Internal Thread Bracket 1 * Small Hex Wrench Note: Although the lens is physically suitable, automatic aperture, autofocus, or any other function will not work properly with this adapter ring.