Celestron Focal Reducer / Corrector - f/6.3 - Made in Japan! Pre-owned) Dobsonian Shroud And a low battery indicator

And a low battery indicator will tell you well in advance when new batteries are needed

20 mm Focal Length

Threaded eyepiece barrels accept Nebular and other filters

The entire Askar 120APO tube is crafted using high-quality CNC machining

Askar 120APO 1x Full-frame Flattener

Celestron Focal Reducer / Corrector - f/6.3 - Made in Japan! Pre-owned) Dobsonian Shroud And a low battery indicatorIn excellent condition. About the Celestron Focal Reducer Corrector f 6. 3 This combination Celestron Focal Reducer Corrector lens accessory works with all Celestron 5, 8, 9. 25, 11 and 14 inch Schmidt Cassegrain telescopes. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality. The Reducer Corrector is f 6. 3 for C5, C8, C9. 25 and C11 telescopes and f 7 for the C14 telescope. If offers wide