http://rcopticalsystems.com/telescopes/16truss.html WebIn 1910, American optician & astronomer George Willis Ritchey & French astronomer Henri Chretien designed a specialized Cassegrain that would later become the telescope of choice for many observatories and professionals around the world. The Ritchey Chretien astrograph has many benefits that make this design ap
Orion 10" f/8 Ritchey-Chretien Astrograph Telescope
WebOrion 10" f/8 Ritchey-Chretien Astrograph Telescope Go after even the most elusive and faint deep-sky targets with the Orion 10" f/8.0 Ritchey-Chretien Astrograph. Featuring flat-field, virtually coma-free optics for superb imaging performance, the Orion 10" RC boasts a plethora of deluxe features. WebThe GSO 10" f/8 Ritchey-Chretien Carbon Fiber Tube Astrograph is a true RC telescope and will give you spectacular photo results also with full frame format camera sensors. For … helio cell phone company
TS-Optics GSO 12 inch f/8 Ritchey-Chretien Astrograph - Teleskop …
WebRitchey-Chretien carbon fiber optical tube assembly with 200mm f/8 primary mirror. Dual speed EAF-compatible 2" Crayford-style linear bearing focuser with 1.25" eyepiece adapter. Full length (15.5") Losmandy D-plate and Vixen-style dovetail rail. 1x2" and 2x1” extension rings. Vixen-style finder base (finder not included) WebRCOS 16" f/9 Carbon Truss Telescope with ION Milled Ritchey-Chrétien Optics... Optical Features: - Zero Expansion Astro-Sitall, Ritchey-Chrétien Optics Tested and Certified to at … WebAstrograph (15) Cassegrain (12) Dall–Kirkham telescope (9) EdgeHD-Cassegrain (20) Maksutov (62) Maksutov-Newton (2) Newton (345) Riccardi-Honders (4) ... Telescope Pro … lake granbury medical center 1310 paluxy rd