Feature:1. CNC technology, anodic oxidation treatment, metal material, sturdy and durable, 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 1.25in telescope eyepieces, specially designed for digital SLR lenses, connecting the camera lens to a telescope.5. Manual focus, adjust according to your needs, and the product is highly durable and sturdy.Specification:Item Type: Macro Lens Adapter for Nikon FMaterial: Full MetalColor: BlackCompatible camera: for Nikon F Mount LensSecondary Interface: 1.25in T MountT Mount Screw Thread: M42x0.75Adjustable Range: 14mm or 0.6inWeight: Approx. 149g or 5.3oz.Package List:1 x Macro Lens Adapter for Nikon F2 x ScrewNote:1: Do not approach the fire source to avoid damage to the surface2: Do not twist too hard or drop the product to avoid deformation of it