Here's a few more images to give you an idea of what the binoviewers look like and their size if you've not seen any before. Plus two sets of images comparing the eye relief. On set for the 40 mm eyepieces and another using the 20 mm. As you can see there is not much difference with the 20s but a huge difference with the 40s. The last image is what I was confronted with when I first looked through them yesterday. You can see why I was a bit concerned
