Utilizing the same hyperbolic primary and secondary mirror design used in the Hubble Space Telescope the Keck telescopes and the ESO Very Large Telescope the iOptron Photron 250mm f/8 Ritchey-Chrÿtien Catadioptric Telescope (RCT) represents the...
Utilizing the same hyperbolic primary and secondary mirror design used in the Hubble Space Telescope the Keck telescopes and the ESO Very Large Telescope the iOptron Photron 250mm f/8 Ritchey-Chrÿtien Catadioptric Telescope (RCT) represents the...
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