The word “Schlieren” is German, and translates roughly to “streaks”. What is streaky photography, and why might you want to use it in a project? And where did this funny term come ...

Optical instruments ... Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers. Resolving power of microscopes and astronomical telescopes.

Our guide features the best telescopes for seeing planets, tested by expert reviewers who are seasoned skywatchers. We recommend a telescope with a long focal length and a large aperture so that ...

Want to observe the sun or watch the next solar eclipse in safety? We've rounded up the telescopes you need to see our ...

The ELT is on its way to becoming the largest optical telescope in the world, and as it rises beneath some of the clearest ...

The smallest smart telescope makes astronomy and astrophotography easy while offering advanced image options to keep you ...

The Penteli site, which forms part of the NOA and is home to the historic Newall refractor telescope, was almost engulfed by a blaze that spread from nearby Mount Pentelicus. Flames whipped ...

Price aside, the SOLOMARK Telescope is a worthy investment if you’re in search of a durable model that can give years of enjoyment. It boasts two Plossl eyepieces that are considered to give superior ...