GSO 12" f/8 RITCHEY-CHRETIEN CARBON TRUSS OTA ED The D2 line at 5890Å

The D2 line at 5890Å is brighter than both Calcium and even Hydrogen Alpha

By using PoleMaster you can monitor your polar alignment in real time

Optical thickness 8

Pictured is an ASI2600MM Pro camera and the assembled adapter

The iOptron heavy duty Tri-Pier 360 is designed for CEM120 mount

GSO 12" f/8 RITCHEY-CHRETIEN CARBON TRUSS OTA ED The D2 line at 5890ÅThe Ritchey Chrtien telescope is the most popular optical design used by professional astronomers and astroimagers all over the world. The Hubble Space Telescope itself uses the RC configuration. All new GSO RC telescopes now come with an upgraded focuser allowing you to connect the ZWO & QHY EAF focusers without additional modification. The Guan Sheng Optical RC's are excellent astrographs with solid build quality and precisely figured optical