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I thought the same thing about the lightpath Gary, but if you have a look at the bottom middle two photos, the left one is sans bino and the right one is with the bino. They show the position I have to keep my eye/s to keep a full field of view. Both using 40 mm lenses. The last bottom right image is what the view looks like through the binos if I keep my eye at the normal eye relief distance using just the star diagonal.
Don't know why the eye relief seems to change. The 20 mm images (silver top plossl) shows only a small amount of change. 15 mm and less shows no change. Go figure???
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