Just remembered something. While at the gun and knife show, I tried to look through some binoculars. Couldn't see a damned thing at first. I found I could only see through them one eye at a time; when I tried looking through both eyepieces, everything went dark. After some adjustment and help from Brooke, I finally was able to see through both eyepieces at once, but was seeing double. I eventually figured out I couldn't get any better than that. It reminded me that I had the same kind of problem as a kid; my dad had a pair of binoculars I used to use, and could never manage - in years of using them - to be able to see through both eyepieces at once. Brooke thinks it might be something where my eyes don't track together quite right, and that I could possibly train my eyes to track properly. Me, I don't think it's worth the effort.