Author Archives: David Tytell

Big Cat

Vixen Optics now produces the VMC260L, a 260-millimeter (10¼-inch) Cassegrain tube assembly ideal for high-magnification observing and photography.

Modular Oculars

Baader Planetarium's new Hyperion 68° Modular Eyepieces offer a new level of versatility for photographic and visual use.

Planet Imager

The Imaging Source offers the DMK series of high-speed, low-noise webcams ideal for capturing the best pictures of our solar system.

S&T Test Report: A Triple-Digit Field of View

Tele Vue's 13-mm Ethos eyepiece, with a 100° apparent field of view, is poised to revolutionize deep-sky observing, as the first Nagler eyepiece did 26 years ago. Inside the October 2007 issue of Sky & Telescope. On newsstands September 4th!

Spotty Weather

There's a cool sunspot group visible right now. If the weather is clear, go grab a safe solar viewer and check it out for yourself.