Features 1CNC technology, anodic oxidation treatment, metal material, sturdy and durable, fine workmanship, firm connection. 2There are fixing bolts at the eyepiece interface to prevent falling off and scratches. 3One end of the adapter is a SLR camera mount, and the other end is a 1.25in telescope interface. 4Suitable for all 1.25in telescope eyepieces, specially designed for digital SLR lenses, connecting the camera lens to a telescope. 5Manual focus, adjust according to your needs, and the product is highly durable and sturdy. Specification Item Type: Macro Lens Adapter for Nikon F Material: Full Metal Color: Black Compatible camera: for Nikon F Mount Lens Secondary Interface: 1.25in T Mount T Mount Screw Thread: M42x0.75 Adjustable Range: 14mm/0.6in Weight: Approx. 149g/5.3oz Package List 1 x Macro Lens Adapter for Nikon F 2 x Screw