Gosky Deluxe Telescope Camera Adapter Mount Kit for Sony Alpha Camera SLR DSLR - Prime Focus and Projection - Fits Standard 1.25" Telescopes - Accepts 1.25" Eyepieces FOR Sony Alpha camera allows you to attach your Sony Alpha camera A55, A77, A100, A200, A230, A290, A330, A350, A380, A390, A450, A500, A550, A560, A700, A850, A900 , Minolta Maxxum 5D, 7D, 7, 9xi, 7xi, 5xi to your telescope via any T threaded camera adapter. Fits all standard 1.25" astro telescopes and accepts filters (thread inside tube). An essential accessory for anyone who uses an astro scope for digiscoping. It is a camera adaptor for direct (Prime focus) photography with a SLR camera and eyepiece projection photography. This can also be used for cameras with a filter thread (T/52 converter and approptiate stepping ring required). All metal construction. Anodizing Aluminium process.