DescriptionThis item is 1.25 inch telescope mount adapter and extension tube mount adapter, suitable for digital single lens reflex camera. with all metal construction, the adapter was made by full metal, durable, suitable for eyepiece projection. The inside of the adapter is fully threaded to minimize reflections.Features- Color: Black. - Material: Aluminium alloy - Interface size: 1.25 inches- 1.25 inch telescope mount adapter and extension tube mount adapter. - Suitable for digital single lens reflex camera, astronomical telescope. - with all metal construction, the adapter was made by full metal, durable, suitable for eyepiece projection - The inside of the adapter is fully threaded to minimize reflections.