Upright vs Inverted vs Stereo Microscopes: Complete Guide
Compare upright, inverted, and stereo microscopes. Learn designs, illumination, contrast methods, and selection tips to match your samples and tasks.

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.
Read the full article here.
Drew Evans talks about his passion for astrophotography, the equipment used and tips for post processing image data.
Read the full article here
Hear D.j Van Bourgondien as he talks about using his Celestron EdgeHD 8″ telescope to capture this image of the Fireworks Galaxy
Read the full article here
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Below are a selection of our Articles, to find more click on one of the sections above, or use the Menu at the top of the page.
Compare upright, inverted, and stereo microscopes. Learn designs, illumination, contrast methods, and selection tips to match your samples and tasks.
Understand numerical aperture (NA), resolution limits, depth of field, and Köhler illumination. Learn how NA, condenser settings, and sampling affect image quality.
Find and explore the Summer Triangle asterism—Vega, Deneb, and Altair—with observing tips, binocular targets, and the science behind these bright summer stars.