Type:Monocular Model Number:Mount Adapter eyepiece :Mount Adapter Telescope:for Monocular Astronomical telescope :Eyepiece astronomical Eyepiece Adapter :24.5mm to 31.7mm Adapter for telescope :for monocular binocular Mount Adapter: monocular telescope :for eyepiece Astronomy:Telescope Eyepiece Adapter Product The adapter allows one to use the more common 1.25 inch eyepieces on your telescope which uses a 0.965 inch diameter eyepiece holder Features: 1. Copper compression ring in the 1.25 inch female diameter 2. Black anodized aluminum, chrome set screw 3. Insertion length on the 0.965 diameter is 0.7 inches 4. Filter thread in the 0.965 diameter side for reduced internal reflection 5. Model: 0.965 inch to 1.25 inch Mount Adapter 6. Material: Metal 7. Color: Black 8. Net Weight: 50g Package Contents: 1 * 0.965 to 1.25 eyepiece adapter 1 * opp bag 1 * white box Only the above package content, other products are not included. Note: Light 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.