Telescope Telescopic SLR -Single-Camera Photography Extension Tube Adapter Sleeve Connected to T2M4P20211224890 Product The 1.25 inch Variable Universal Camera Adapters allow attachment of a camera body to reflector and refractor telescopes for either prime-focus or telescope eyepiece-projection photography. Water Resistance Level: IPX6 Eyepiece diameter: 1.25 Inch T Interface: 1.25 Inches Tail Thread: M42x0.75 thread Variable Length: 38mm Usage: for Professional Astronomy Telescopes Camera Photography Tips: For eyepiece projection photography, the maximum outer diameter of the eyepiece is 37mm. Material: Metal colour: As shown Package Contents: 1 x telescope 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.