PDA

View Full Version : William Optics Binoviewers - A Class Act



Fraser
2008-Sep-14, 12:50 AM
I like using binoculars… and I like using a telescope. So what happens when you combine both? For savvy telescope users, the result is called a binoviewer - but using one can sometimes introduce problems. Dark images, fast focal ratio telescopes, problems with focusing and outright expense… But can these problems be [...]

More... (http://www.universetoday.com/2008/09/13/william-optics-binoviewers-a-class-act/)