The IDAS RS (Reflection Suppression) filters have been updated with UV blocking coatings, eliminating the need for an additional blocker in refractors. Unmounted filters are available in 31mm and 50mm sizes. Check the RS filter page for more technical information.
Archive for May, 2009
IDAS RS Filters Updated
May 8, 2009“Getting Started in Astrophotography with DSLR Cameras”
May 4, 2009
Have you been considering getting started in astrophotography? Check out the featured article by John Moody in the June 2009 issue of Astronomy Technology Today magazine which describes how easy it is with a modern DSLR camera. Hutech has a full line of spectrum-enhanced digital cameras suitable for astrophotography.
Hutech News Blog 