I'm not an astronomy buff either, but I find the critical reviews of bins by those who are, as well as or including boosted magnification tests by folks like Henry Link and Kimmo, concord with my impressions of binoculars in field use. They are very good predictors of what I will like or not like about a given bin. Moreover, I have found nothing suspicious or strange about GLOBETROTTER's posts, at least within the context of this forum. They seem very normal for someone who is an optics enthusiast and has/devotes enough disposable income to purchase several alphas (from different brands, since there is not point to brand loyalty when it comes to binoculars) and runs them through their paces in the quest for viewing bliss. I've done plenty of that in the past, and I see a lot of myself in his posts. It's unnerving to get a bin and find out that it has manufacturing flaws or design limitations that you wouldn't have expected, and it is especially unnerving when no one else is making the same observations (thank you Kimmo for beginning to do this). But just because no one else affirms those criticisms, it doesn't make the bin in your hand perform any better. To give just a few examples:
The first three units of the original Swarovski 8.5x42 EL that I tried (purchased new, mail order) had defective focusers (imperfect left-right side focus synchrony), and one had a flaw in the coloring of the rubber armor in one spot (a bluish-grey spot, as I recall), but I kept after them because there was a lot to like and I still believed I might find a unit without such flaws (which I did). I found the focus design of the original EL slow, and lots of folks didn't seem to appreciate that criticism and made excuses for it. But Swarovski acknowledged the problem by eventually changing the design to a faster ratio.
The first Swarovski 8x32 that I purchased (new, mail order) was out of alignment due to one of the oculars not being properly fixed in place. Swarovski fixed it, and it has functioned flawlessly since.
The first Leica 8x42 Ultravid that I purchased (new, mail order) had a very sticky focuser and a flaw in the lens coatings of one of the objectives (a palm-print patterned lack of the outermost coatings). Leica replaced the lens, smoothed the focus, and the unit is fine to this day. Do I find the amount of CA that this design it has off axis irritating? Yes. It doesn't keep me from using the bin, but just because I use it doesn't mean I can't complain.
I could relay many more such experiences, and I already have in past posts on Birdforum. These and other such experiences have lead me to conclude that a very high percentage of alpha bins have manufacturing defects (at least as judged by a very critical consumer), and that their designs are not up to the standards that optics enthusiasts imagine or know (based on experience with other models) is possible.
--AP