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Integrated Blocking: All unwanted light is blocked in the entire spectral range from UV up to the IR
breaking down into two aluminum cases and trusses
and revive
Diffraction limited: The filter will not reduce the optical performance of your telescope
Antlia 70mm Extension Tube for Solar Discover CaK 5Å CNC Handle Bar Integrated Blocking: All unwanted lightAntlia 70mm Extension Tube for Solar Discover CaK 5 Assembly This is a 2" extension tube with 70mm optical length for the Antlia Solar Discover 5 CaK assembly. When you use the Antlia Solar Discover 5 CaK assembly with a refractor telescope without a star diagonal (mirror diagonal), you will most likely need to compensate for that length to achieve focus. This extension is available in two sizes, 50mm and 70mm optical length. This product listing is
US$ 35.95
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