Numerical Aperture, Resolution & Magnification Explained
Learn how numerical aperture, resolution, and magnification interact in light microscopy. Avoid empty magnification and choose settings for sharp, meaningful images.

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, resolution, and magnification interact in light microscopy. Avoid empty magnification and choose settings for sharp, meaningful images.

Have you been searching for a new telescope to blow your mind, but to no avail? Look no further than here, with our review of the Celestron NexStar 8SE Compound Telescope. This telescope is truly Ëœout of this world’ and perfect for beginners and avid astronomers alike. If you’re unsure whether this telescope is for

If you want to be able to see objects in the distance, a pair of rangefinder binoculars might interest you. However, you might wonder if you really need them or if you should just stick to a regular rangefinder device. What, exactly, are rangefinder binoculars? These binoculars enable you to look at objects in the