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Message: <blockquote data-quote="henry link" data-source="post: 1229255" data-attributes="member: 6806">Ron #1Thanks for the vote of confidence, but, as you can see from reading this forum, people never agree about binoculars. I trust you'll check them out for yourself when they become available. Ron #2Interesting, I didn't know about those lens sets. I've accumulated a house full of reading glasses of different strengths, which seem to work well enough for quantifying  field curvature as long as I focus at the field edge first, then use the glasses to measure the focus difference between the edge and the center. Ed,I can't say much about handling. Most of the time the binoculars were on a tripod. I didn't notice anything unusual or uncomfortable, but I'm not very critical as long as the focuser is on the back end of the hinge where God intended it to be and the focus is not too slow. Diopter adjustment is no longer on the eyepiece. It resembles the Swarovski system, but the focusing knobs on the prototypes have been prone to inadvertently slip into diopter adjusting mode too easily. That happened to me several times. Nikon is supposed to be fixing that problem in production units.Henry</blockquote>