Stereo vs Compound Microscopes: Types, Uses, Trade-offs
Learn the differences between stereo and compound microscopes—optical designs, use cases, magnification, working distance, illumination, and how to choose.

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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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.
Learn the differences between stereo and compound microscopes—optical designs, use cases, magnification, working distance, illumination, and how to choose.
Learn how to plan, polar align, expose, and process deep-sky images with a star tracker. A complete field-to-edit guide for stunning night-sky photos.
How astronomers measure vast distances: parallax, Cepheids, TRGB, supernovae, redshift, and more—methods, calibration, uncertainties, and latest results.