The required spacing can be achieved by combining several extenders of differing lengths; you can use 1 piece; 2 pieces; 3 pieces or 4 pieces of the extension rings as you like
The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography
Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
Compatible Cameras: Fits a wide range of Minolta AF and Sony A-Mount SLR/DSLR with a 50mm diameter bayonet and 44.5mm flange; have the right accessories to capture any celestial image you want in your art gallery
Telescope Adapter: Includes a T Ring for Sony/Monilta EOS cameras and a 1.25 inch to M42 T Mount which has a rotatable inner ring to ensure proper orientation; allowing you to attach your camera to a telescope with a standard 1.25 inch eyepiece port