1,Easy to Use: Simply insert the T2 adapter ring into the T2 adapter sleeve, then attach the entire adapter ring to the digital SLR camera and connect it to the telescope, allowing for effortless direct prime focus photography. 2,Wide Compatibility: Designed for digital SLR cameras, the T2 threaded telescope photo adapter is compatible with a range of cameras and bird watching scopes when used with the appropriate T2 adapter ring, enabling visual photography. 3,Hollow Design: The hollow design of the adapter sleeve allows for unobstructed access to the focus wheel, without interfering with the adjustment of the zoom wheel on both sides. 4,Aluminum Alloy Material: Crafted from sturdy and wear proof aluminum alloy, the adapter sleeve is built to last and can be used for an extended period of time. 5,Versatile Usage: The telescope photo adapter, featuring a length of 7.1cm or 2.8in and a diameter of 4.5cm or 1.8in, connects digital SLR cameras with telescopes, making it ideal for various photography and observation applications. Item Type: Telescope Photo Adapter Material: Aluminum alloy Weight: Approx. 33g or 1.2oz Length: Approx. 7.1cm or 2.8in Diameter: Approx. 4.5cm or 1.8in 1 x Telescope Photo Adapter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.