StarPal Astronomical Extension Tube Kit - T2 Extension Ring Adapter for Cameras and Eyepieces - M42x0.75 on Both Sides (3MM+5MM+7MM+10MM+12MM+15MM+20MM+30MM)

Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece. This extension tube kit solves this problem. You can use this extender with any camera or eyepiece or with various adapters. The M42*0.75 threads on both ends make it extremely versatile. Use this extender for obtaining the correct image scale or for the exact spacing required for a reducer or field flattener. You can reach the extension length required by combining several extenders of different lengths.

• The required spacing can be achieved by combining several extenders of differing lengths,you can use 1 pcs, 2 pcs , 3 pcs ，4 pcs or more of the extension rings as you like
• Male thread - M42x0.75. Female thread - M42x0.75,eliminates a range of focusing problems
• 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
• All metal construction and anodizing aluminium process, durable for long time use