THE Yerkes Observatory, which has recently been completed and inaugurated, contains in its instrumental equipment the largest refractor in the world, the diameter of the object-glass spanning 40 ...

What if you could find binoculars big enough to qualify as small telescopes? Get ready for the BT–127XL–SD apochromatic ...

View Deal Gskyer Telescope 70mm: was $130 now $87 at Amazon Save 33% on the Gskyer 70mm Alt-az refractor telescope at Amazon. This refractor comes complete with all the accessories a beginner ...

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.

A refractor telescope on a fold-up tripod that ships ... to take panoramic photos of the night sky to best capture iconic large objects in the deep sky, such as the Andromeda Galaxy.

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 ...

Explore the night sky with the best telescopes to suit every budget and experience level, perfect for observing February's snow moon and spectacular planetary parade. February is a great time to ...

Astronomy at Alfred University has a long history, dating back to the Civil War when the University purchased its first telescope, a 9-inch refractor made by Henry Fitz. Since the mid-1960s the ...

Refractor telescopes use specialised lenses to gather and focus light into an image, displaying a magnified sky view. In contrast, reflector telescopes use curved mirrors to reflect light onto the ...