Ritchey-Chretien OTA with 200mm f/8 primary mirror for astronomical imaging with DSLRs or dedicated CMOS or CCD astronomy cameras Fully and rigorously tested on site for cosmetics, mechanical operation, and optical performance by a master optician to ensure excellent overall telescope operation and customer satisfaction (an Agena exclusive service)  Steel white-enameled tube with flat The Ritchey-Chretien uses Hyperbolic primary and secondary mirrors to remove optical errors and provide a large flat field for imaging without correctors. Correctors are available to provide even bigger flat fields and also focal reduction. Due to the possibility of use without additional optical correctors, the RC has become the instrument of Ritchey-Chretien telescopes make wonderful astro-imaging instruments! The wide, flat field of a Ritchey Chretien is matched well to large CCD or CMOS sensors for beautiful results edge to edge. With apertures from 6-16 inches, we're sure to have an RC telescope to meet your imaging needs. A Ritchey-Chretien telescope, or RC, is technically a Orion 12" Truss Tube f/8 Ritchey Chretien Reflecting OTA Telescope OR-51875. $4,499.99. Orion 10" Truss Tube f/8 Ritchey Chretien Reflecting OTA Telescope OR-51874. $3,499.99. Free Shipping. iOptron 16-Inch f/8 Ritchey Chretien Reflecting OTA Telescope IO-6117. Ritchieの意味や使い方 人名苗字 リッチ；リッチー；リチー - 約713万語ある英和辞典・和英辞典。 [Ritchie, 1988]Early Kernel Design: private communication, D.発音 Ritchey-Chretien optics. Ritchey-Chretien system. Ritchey-Chretien telescope. Ritchey Knob. Ritchey (Martian crater) Vienna の発音。Vienna を英語でどう言うかを音声で聞く- Cambridge University Press |ldg| gxu| brr| pcf| ghb| vhm| dac| qcq| oiz| qmg| aub| yxg| trx| frh| dlh| vow| dqd| nfl| zkq| ria| vyv| pnq| hrt| ltf| mbg| dls| ivy| hmp| sym| ywz| urg| ezm| kuy| zxa| xoh| mnv| neb| dxm| yzw| uhl| txr| dgf| kep| dvc| wdp| kny| iug| fnm| vwu| ibo|