1. technology, anodic oxidation treatment, metal material, sturdy and , fine workmanship, firm connection. 2. There are fixing bolts at the eyepiece interface to prevent falling off and scratches. 3. One end of the adapter is a SLR camera mount, and the other end is a 1.25in telescope interface. 4. Suitable for all 1.25inch telescope eyepieces, specially designed for digital SLR lenses, turning the camera lens into a telescope. 5. Manual focus, adjust according to your needs, and the product is highly and sturdy. Color: Black Material: Metal Package Contents: 1 x Telescope Lens Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.