home > skytel > skytel beyond the page

Astro-Physics at AIC 2009

by Dennis di Cicco









Astro-Physics' Roland Christen discusses his monumental el Capitan equatorial mount and a new 305-mm f/3.8 astrograph with a flat, 70-mm-wide imaging circle that's diffraction-limited to the edge.


Click here to see additional videos from the 2009 Advanced Imaging Conference in San Jose, California.

Click here to return to our Product Videos page.

Sky Publishing, a New Track Media Company
Copyright © 2013 New Track Media. All rights reserved.
Sky & Telescope, Night Sky, and SkyandTelescope.com are registered trademarks of New Track Media