Roger
21-09-2008, 06:54 PM
New to the forums.
Wanted to know if anyone who is using Hyperion eyepieces, is using the extension rings to alter the focal length of the eyepiece. I am looking to order a 13mm soon and wanted to know if these work (well). I use two Dobs a 10" f5 and a 6"f8.
Wanted to know if anyone who is using Hyperion eyepieces, is using the extension rings to alter the focal length of the eyepiece. I am looking to order a 13mm soon and wanted to know if these work (well). I use two Dobs a 10" f5 and a 6"f8.