Microscope Resolution vs Magnification: NA Explained
Learn how numerical aperture sets true resolution, how magnification and sampling interact, and how illumination and contrast affect what you can really see.

Guides to help with your Stargazing Adventure

Information on Galaxies, Stars, Constellations, Planets, Moons, Comets and Asteroids
Listen to Bernard Miller describe his journey into AstroPhotography and detail how he captured this stunning image of the Sculptor Galaxy.
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Drew Evans talks about his passion for astrophotography, the equipment used and tips for post processing image data.
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Hear D.j Van Bourgondien as he talks about using his Celestron EdgeHD 8″ telescope to capture this image of the Fireworks Galaxy
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Learn how numerical aperture sets true resolution, how magnification and sampling interact, and how illumination and contrast affect what you can really see.

Looking for the best telescopes without breaking the bank? This article has got you covered. In this article, we will share our top picks for the best telescopes under $500. Contrary to what some may believe, it does not take an expensive telescope to be able to see the moon, stars, and planets with great

There is a massive library of various microscopes, all designed for specific operations and functions. If you are involved in the metallurgy industry, you need a metallurgy microscope. You can find these types of microscopes in classrooms to teach new users how to study various metal materials or examine metal specimens on a job site