Nov 5, 2019 · A simple refracting telescope consists of two lenses, the Objective and the eyepiece. Basically the objective lens produces an image of a distant object at its focus and …

Apr 14, 2017 · Another disadvantage of refracting telescopes is the unfolded light path. There is at least one design of refractor which is folded: the Schupmann Medial telescope. It's very …

Yerkes Telescope, largest refracting telescope Located in Williams Bay, Wisconsin, and opened in 1897, this refracting telescope has been in use over 100 years. It was almost demolished in …

Nov 29, 2021 · The home to all amateur astronomers & telescopes! Feel free to discuss anything astronomical here, from what sort of telescope you should get, stargazing tips and tricks, to …

Aug 3, 2015 · Overall, a 8" is a very nice telescope for both deep-sky and planets! It will fit in almost any car (worst case: tube on the back seat). For imaging, you will need a very rigid …

Jul 6, 2018 · Hello all, me and my dad found a good quality Meade DS-2000 telescope on craigslist for $125. This would be our second telescope, as our first which is an 8 inch dob …

In general, it is a LOT easier and cheaper to make large mirrors than it is to make the same diameter lenses. Add in the fact that most reflector designs only need a few mirrors, but …

Mar 9, 2021 · Telescope Cooling. All telescopes need to cool down (more accurately, acclimate), not just reflectors. The reason for this is because warm air in the tubes starts cooling off or …

Dec 5, 2014 · In general refracting telescopes are more expensive then reflectors with the same aperture. The mounts of many entry level sets are far too weak (I can't stress how annoying …

Aug 27, 2022 · Name: Telescope 80mm Aperture 600mm - Astronomical Portable Refracting Telescope Fully Multi-coated High Transmission Coatings AZ Mount with Tripod Phone …