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Message: <blockquote data-quote="Kevin Purcell" data-source="post: 1462288" data-attributes="member: 68323">I think you'd have to ask Kimmo that.But this fact (and the rest of its spec) only dawned on me this week. And I went from thinking "Wow! that's really expensive for a non-alpha 10x42 and those other ones with bigger aperture and high magnification are cheaper" to "Wow! That might be a very interesting birding bin". Very good close focus. A 6.5° FOV that's good for a 10x and even better sharp to the edge. Oh, and it has IS too!It does use a field flattener that (I think) might compromise the DOF. Do any 10x42 users have any comments on that?And the internal optics are porro (correct me if I'm wrong) avoiding developing an alpha class bin with a roof prism with phase coating, mirror coating and clever choice of AR coatings choices. One of the few ED porros still on the market. Another reason to have Kimmo's review on the net <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink    ;)" loading="lazy" data-shortname=";)" />Oh, and I ordered a 10x30 IS yesterday that should arrive on Friday as that seems to be the "gateway bin" for birders. We'll see if I become another member of the Cult of Canon IS.</blockquote>