M48*0.75mm Telescope Extension Tube for Astrophotography 3/5/7/10/12/15/20/30/40/50mm
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 M48*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.
Features:
1.Male thread - M48*0.75. Female thread - M48*0.75, eliminates a range of focusing problems.
2.The extension tube has a M48*0.75 interior thread and a M48*0.75 exterior thread for elegantly solving spacing problems in astrophotography.
3.Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
4.All metal construction and anodizing aluminium process
Package Includes:
1x M48x0.75 Extension adapter T ring