Bahtinov Mask Size::85-120mm Built-in Polar Alignment Scope Holder

Built-in Polar Alignment Scope Holder

the high transmission

The iconic 8-inch Schmidt-Cassegrain has been known for decades as Celestron’s most beloved telescope

Both primary and secondary mirrors are finished with Sky-Watcher’s RAQ™ Radiant Aluminium Quartz coatings

Bahtinov Mask Size::85-120mm Built-in Polar Alignment Scope HolderBahtinov Mask Whether youre doing planetary visual observing, planetary imaging, or deep sky imaging, the Bahtinov Mask is a great accessory to get the best focus for your telescope quickly and easily. Credit goes to Russian amateur astronomer Pavel Bahtinov for making his idea available to the astronomy community. Bahtinov masks are adjustable to fit a wide range of optical tubes, unlike masks which are only able to fit one telescope. They have an