This Black Friday weekend, the Sky-Watcher EvoStar 120 APO Doublet Refractor is 20% off and I think it is a must-buy if you ...

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Looking for a great gift for a young skywatcher? This Celestron Astromaster 70AZ is a fun starter telescope and it's 15% off ...

so we’ve handpicked some of the very best telescopes below to help with your decision. See our favourites below For ...

The original instrument to occupy the 25-foot diameter dome was the 10.5-inch Bausch refracting telescope (f/15.5) installed in the brand new observatory in 1953. Bausch & Lomb Company gave the ...

In his workshop in Padua, Italy, he discovered that plano-convex and plano-concave lenses worked best—that ... Building a better refractor The spyglass-turned-telescope had limitations, some ...

Today's best binoculars offer a stellar ... range all-rounders in our Celestron Inspire 100AZ refractor vs Meade Polaris 114mm reflector telescope face-off. A quick look at the Celestron StarSense ...

The best telescope unlocks the wonders of the universe right from your backyard and beyond. "There are telescopes tailored to all sorts of celestial objects. The general rule of thumb being a ...

Today's best binoculars offer a stellar ... range all-rounders in our Celestron Inspire 100AZ refractor vs Meade Polaris 114mm reflector telescope face-off. A quick look at the Celestron StarSense ...

Description: Specifications TV - 76TypeAPO (Doublet) Refractor (Elements/Groups: 2/1) Objective (mm) 76 Focal Length (mm) 480 Focal Ratio (f/#) 6.3 Drawtube/Focuser2-in ch, Focusmate dual-speed ...

McKim Observatory still houses many of its original instruments, including a 9.53 inch Clark Refractor telescope, a meridian transit telescope, and a gravity driven chronograph. Missing from the early ...