WebA RC8 model comes with top and bottom dovetail plates adding rigidity to the tube while providing attachment points for the mount and other accessories to be used. … Web28 mei 2024 · The 6" StellaLyra Ritchey-Chrétien telescopes come with a Vixen-style dovetail bar at the bottom but with this kit, you can add an additional bar on top which provides a useful fixing point for piggy backing other things and as a useful carry handle. Kit includes all fixings, two curved radius blocks and a Vixen-style dovetail bar.

iOptron 14-Inch f/8 Ritchey Chretien Reflecting OTA …

WebThe iOptron Ritchey-Cretien design telescopes, feature low thermal expansion quartz primary and secondary mirrors with ninety-nine percent reflective dietetic … WebGoing Deep With The Ioptron RC 8. Finally! Ive started capturing deep space target with my longest focal legnth yet. Check out my review of the Ioptron RC 8". Show more. how a rainbow is produced

iOptron Photron 16" Truss Tube Ritchey-Cretien Telescope, OTA

WebBuy iOptron Photron 250mm f/8 Ritchey-Chrétien Catadioptric Telescope (OTA Only) featuring 250mm Ritchey-Chrétien Catadioptric OTA, 2000mm Focal Length, f/8 Focal Ratio, Low Thermal-Expansion Quartz Mirrors, Dielectric Mirror Coatings, 10 Internal Knife-Edge Baffles, 10:1 Dual-Speed Crayford Focuser, Primary Mirror Cooling Fan System, Three … Web23 apr. 2024 · I believe there is a fairly affordable field flattener for the Photron and its brethren that doesn't cost much. Decent photos with this 8" and similar ones on astrobin. … WebiOptron Photron 200 Ritchey-Chretien Optical Tube With low thermal expansion quartz primary and secondary mirrors featuring dielectric coatings with 99% reflectivity, iOptron … how a rain shadow is formed