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How Filters Actually Work with Your Telescope (It’s More Complicated Than You Think!)

Filters can make or break your astrophotography, but how do they really work with your scope? Dive into the science and ...
Space.com

Cyber Monday telescope deal: Save over $1000 on this telescope and solar filter bundle for more than 50% off

Originally $2,047.95 the Celestron NexStar 6SE Schmidt-Cassegrain Telescope and EclipSmart Solar Filter Kit is now $948.95 this Cyber Monday, but act soon. When you purchase through links on our site, ...
American Institute of Physics

How the X-ray filters aboard the Einstein Probe were calibrated prior to launch

Complete transmittance curves were created for the instrument’s three filters and will serve to calibrate the mission’s ...