28 апр. 2018 г. · The impressive 1370mm focal length means that this stocky red Ritchey-Chrétien is a perfect choice for astrophotography during galaxy season.

8 окт. 2017 г. · But if you are looking for an 8" aperture tube, as far as I know, you'd have to pick one of the mass-produced RC telescopes. If you decide to go ... What is a Ritchey-Chretien telescope? - Cloudy Nights GSO vs TSO... for Ritchey Chretien telescopes - Cloudy Nights Другие результаты с сайта www.cloudynights.com

Оценка 4,3 · Zane Landers 6 февр. 2024 г. · The Sharpstar 76EDPH is our top pick in the price range of the Apertura 6” Ritchey-Chrétien for beginner astrophotographers due to its ...

29 июн. 2022 г. · The Photron RC6 is a very capable telescope, suitable for both imaging and visual use. And at this price point it'll appeal to both seasoned astronomers and ...

Ritchey-Chretien Telescopes are fantastic for deep sky imaging and research applications. Shop our wide selection of RCs at OPT for best prices!

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.

Teleskop Service offers here a full line of top-quality true Ritchey-Chrétien astrographs at prices that most astrophotographers can afford.

15 мар. 2022 г. · The OCAL electronic collimator is good and helps get the focuser / primary and secondary close in the warmth of your house. But it only got it close and not ...

Ritchey-Chretien telescopes use a special optical design with 2 hyperbolic mirrors to eliminate off-axis optical errors without the need for corrector lenses.

Omegon · Telescope Pro Ritchey-Chretien RC 250/2000 EQ6-R Pro · RRP: $ 5,009.00 · Our price:.