Looking for the best telescope deals? We've rounded up the best deals on the market ahead of Amazon's Prime Big Deal Days on ...

The Celestron NexStar 8SE has long been considered the world's 'most beloved telescope' with its stunning clarity and bright, sharp views, and is the instrument of choice for many keen stargazers.

Whether you want to catch a glimpse of Venus and Mars or take a look at even more distant worlds, the best telescopes for seeing planets will give you the most satisfaction. Planets are a great ...

Another example is my 106mm f/5 refractor, whose focal length is 106 ... but shows up nicely in my Celestron 9.25 Edge HD ...

The inside of the lens cap has a fitting that secures to your eyepiece using two set screws. You are now ready to take high power images through the telescope. The included Celestron Starry Night ...

9.53 inch Clark Refractor The main telescope is the original 9.53 inch refractor built in 1885 ... The observatory houses three 8" and one 11" Celestron Schmidt Cassegrain telescopes, a 17" Dobsonian ...

The Celestron SkyMaster 25x100 binoculars feature in our best binoculars guide as the best for magnification and now it's $120 off. The Celestron SkyMaster 25x100 binoculars are now $120 off on ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.