Numerical Aperture vs Resolution: A Practical Guide
Learn how numerical aperture, wavelength, and illumination govern resolution and magnification in optical microscopy—and how to avoid empty magnification.
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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, wavelength, and illumination govern resolution and magnification in optical microscopy—and how to avoid empty magnification.
Discover how space telescopes revolutionize our understanding of the universe.
Learn how narrowband filters (H-alpha, OIII, SII) cut through light pollution for stunning nebula photos. Gear, capture, and processing tips for OSC and mono.