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15 mar 2021 · It is nice and fast, the mirror rides on roller bearings on a very sturdy centre column and no focus shift (but see the Ugly bit) below. The Bad: Metal back focus distance is shockingly small - the gap between my ASI2600 and the corrector assembly, with a very short adaptor fitted) is about 7mm.
I've found the two are interrelated. A wide AFOV requires semi-proportionally longer eye relief to enjoy it. 10mm of eye relief might be acceptable for a Plossl's narrow field of view, but it's really obnoxious to try and take in an 82 degree apparent field with the same 10mm of eye relief.
27 mar 2019 · The Celestron RASA 8 F/2 is not a visual telescope, it was designed exclusively for deep sky astrophotography. The size of the RASA 8 does not allow you to use it with a DSLR camera, as the camera body will obstruct too much of the corrector plate on the front of the telescope.
Tessellator and Telescope. 1. Login Quick Reference. 2. Change Password?
Telescope quick reference guide. LOGIN. Visit : Enter your username and password. On successful login, Student dashboard is shown. Student Dashboard has three tabs: 1. Current Activities: Displays the list of activities (Meeting, Programming Lab, Quiz) that are being started by the Teacher during a session.
Comparison review of the AstroTech AT130EDT, Meade 7" LX-200 Mak, and Meade LX-90 8" SCT. Witch scope design is the leader of the pack?
Reviews. Telescopes. Celestron NexStar Evolution 8 review. BBC Sky at Night Magazine trials the Celestron NexStar Evolution 8, and finds a great telescope that makes astronomy even more accessible. Our rating. 5. Try something new this Autumn - get 6 issues of Sky at Night Magazine for only £22.99! Paul Money. Published: August 28, 2014 at 4:00 am.
