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Alstar Astronomical 2"/M48-extension Tube Kit - Bundle with - f/6.3 Reducer Corrector
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$65.39 cheaper than the new price!!
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New $108.99
Product details
| Management number | 212203341 | Release Date | 2026/04/06 | List Price | $43.60 | Model Number | 212203341 | ||
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- Eliminate Focusing Problem: The extension tube has a M48x0.75 interior thread and a M48x0.75 exterior thread; elegantly solves the spacing problems in astrophotography and eliminates a series of focusing problems
- Variable Combination: The required spacing can be achieved by combining several extenders of differing lengths; Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
- Aluminium Alloy Material: All metal construction and anodizing aluminium process; resistant for long time use
- Converts f/10 optical system to faster f/6.3 for a significantly wider field of view
- Reducer shortens the effective focal length of Schmidt Cassegrain telescope optical system by 37 percent
Extension Tubes
Vibrators
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