Antlia 70mm Extension Tube for Solar Discover CaK 5Å CNC Handle Bar 6 flat-field apochromatic refractor designed

6 flat-field apochromatic refractor designed for deep-sky astrophotography

Diffraction limited: The filter will not reduce the optical performance of your telescope

The anti-dew heater protects the AR window

guest can stop the alert once they have received the call

EAGLE5 uses Windows 11 IoT Enterprise licence that is lighter-weight and more stable than traditional PCs with Windows 11 Home or other OEM versions that come preinstalled with useless bloatware

Antlia 70mm Extension Tube for Solar Discover CaK 5Å CNC Handle Bar 6 flat-field apochromatic refractor designedAntlia 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