BAADER ADAPTER M90 x 1 FOR STEELTRACK RT & GSO gigantic case the Esatto 2" LP is

the Esatto 2" LP is also the perfect match for telescopes with limited backfocus such as fast astrographs

GSO mirrors are some of the best available in their price range

Beech wood specially treated for outdoor use

The 2” version of the ESATTO 2" has a depth of 67mm

The width of their bandpass is balanced with the spectral response of the ZWO cameras

BAADER ADAPTER M90 x 1 FOR STEELTRACK RT & GSO gigantic case the Esatto 2" LP isThe Baader M90 x 1 adapter for Steeltrack RT allows you to attach the Baader Diamond Steeltrack Refractor focuser to GSO Ritchey Chretien telescopes which have an M90 x 1 thread on the rear flange (such as the 6" and 8" models). On the focuser side is a series of Delrin tipped screws to securely hold the focuser in place around its S88 dovetail. For use with GSO RC telescopes, it may be necessary to use one of the extension tubes that came with the