Infinity vs Finite Microscopes: Optical Designs Explained
Learn how infinity-corrected and finite tube length microscopes differ, when to choose each, and what it means for optics, imaging, add‑ons, and compatibility.

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 infinity-corrected and finite tube length microscopes differ, when to choose each, and what it means for optics, imaging, add‑ons, and compatibility.
Explore Europa’s subsurface ocean, geology, radiation, and habitability with insights from Europa Clipper and JUICE, plume evidence, and ocean chemistry.

In the scientific world, the microscope is an enormously helpful and practical tool. Professional scientists and amateurs use the microscope to examine microscopic life, tiny bits of matter, and other things too small to be identified, examined, or analyzed with the naked eye. The invention of the microscope allowed for all sorts of scientific discoveries.