Alstar Astronomical T2/M42 Extension Tube Kit for Cameras and Eyepieces
Product Description
Alstar Astronomical T2/M42 Extension Tube Kit for Cameras and Eyepieces
- Male thread: M42x0.75; Female thread: M42x0.75; Eliminates a range of focusing problems
- All metal construction and anodizing aluminium process for long time use
- Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
- The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography
- 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
Technical Specifications
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