Feature: 1. The telescope can be used as camera lens through the 2 inch extension tube and adapter ring set to see astronomical scenes such as star or nebulae. 2. The effective working length of the extension tube is 60mm/2.4in, which can magnify the screen to facilitate observation of more details. 3. Made of high‑quality aluminum alloy, it is strong and durable, and the cover is painted to prevent oxidation and corrosion. 4. The inner wall is treated with extinction to avoid the influence of reflected light on imaging, provide better performance. 5. Suitable for Sony/Minolta AF mouth camera, help you keep the beautiful and interesting view of your telescope or microscope. Specification: Item Type: Telescope to Camera Adapter Kit Material: Aluminum Alloy Color: Black Extension Tube Effective Working Length: Approx. 60mm/2.4inWeight: Approx. 250.0g/8.8oz Suitable for Sony/Minolta AF mouth camera. Package List: 1 x Telescope Extension Tube1 x 2in to T Adapter(Installed) 1 x Camera Adapter Ring