Bahtinov Mask Size::85-120mm Coating (rear face) 7-layer hard-multicoating

Coating (rear face) 7-layer hard-multicoating

whilst maintaining colours to a natural level

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

The ability to combine filters opens up many exciting possibilities

Bahtinov Mask Size::85-120mm Coating (rear face) 7-layer hard-multicoatingBahtinov 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