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Message: <blockquote data-quote="spyglass" data-source="post: 1653824" data-attributes="member: 18470">Ed, thx for posting that. I've been wondering if that 37mm business was kosher. D'ya 'spose Canon knew this b4 release? If so, seems it would have been wise to advise? (that was inadvertant forum poesy....sorry couldn't help it). Now 4 my nickel.....I've had a 15x50 almost 7 yrs (spring 03) & have never had a whit of trouble, other than the @^%$* eyecups, which are hazardous if you try to just roll them halfway down. They snap back with a vengeance and can cause great consternation if you're caught unawares. After mine started to crack, I just cut them off . For the last 5-6 yrs, I really see better with the specs than without, and the ER is right at 15mm, which is perfect. Now, me, I do find it to be quite a battery eater, as when I first got it and used the IS frequently, it would use up a pair of alkalines in 7-10 days (that microprocessor & prism tilt mechanism are BUSY!). But over the years I've discovered this is about the easiest glass I have of 10x or more to hold steady WITHOUT the IS on, so it's rarely used unless I'm in a gusty wind or just wolfed down a Hershey bar. That 42oz weight cancels some inertia and the shape is just makes it easy to hold still (at least 4 me). And lemme say, I use the Canon A LOT. So much so that the armor has separated on the left side and is a little loose on the right (the IS button helps keeps it pegged there), but it's never interfered in the least with the operation, which is just superb. Optically, it's nearly a match for the 15x56SLC, losing a little in a brightness comparison, but with equal resolution, better er, wider (by a pudendal hair) fov, easier to hold still without support.....and a lot less $.I was lucky enuf 2 b able 2 audition the 12x, 15x & 18x for about 20 mins before I decided (I live only about 30 mi from Astronomics), and the 15x took the prize for best resolution, brightness, best compromise for the IS to work well and still be needed. It is heavy for a bino, but I find I don't like the liteweights due to their inherent unsteadiness. To sum up (finally), I find the 15x50 to be one of the most useful of my inventory (and I've got some other hi-powers that I hafta remind myself to use occasionally and which are first-rate....a 10x56FL & a 12x50SE). The smaller IS glasses I don't think benefit, on balance, as much from the "button" as the 15 does. Now, I've heard glowing reports on the 10x42 but haven't had the viewing pleasure as yet. I guess I need to.</blockquote>

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