Product Description:
This extension tube kit solves the problem of not being able to get to the right focal plane for focusing with a camera or eyepiece. It can be used with any camera or eyepiece or with various adapters, thanks to its versatile M42*0.75 threads on both ends. The extension length required can be achieved by combining several extenders of different lengths. Advantages of this extension tube include the ability to achieve the correct image scale or spacing required for reducers or field flatteners, all-metal construction for durability, and the elimination of a range of focusing problems with its male and female threads.
Honest Review on Alstar Astronomical T2-Extension Tube Kit
This extension tube kit allows for the correct image scale and spacing required for astrophotography. It has a versatile M42*0.75 thread on both ends and can be combined with other extenders of different lengths. The all-metal construction and anodized aluminum make it durable for long-term use.
Product Pros:
- The required spacing can be achieved by combining several extenders of differing lengths
- All metal construction and anodizing aluminium process, durable for long time use
- Male thread – M42*0.75. Female thread – M42*0.75,eliminates a range of focusing problems
- Useful for obtaining the correct image scale or exact spacing required for reducers or field flatteners
- 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.
- All metal construction and anodizing aluminium process, durable for long time use.
- Male thread – M42*0.75. Female thread – M42*0.75,eliminates a range of focusing problems.
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