Not so fast....
Well, as a result of the glowing tributes here as well as other very positive reviews elsewhere I ordered a pair of 10x42 ZRS. I expected to be gobsmacked by $200 bins that were so close to Leicas or Zeiss' that my search for great birding bins would be over as well as relatively painle$$.
I have had said glasses for two weeks now and have used them a lot. Unlike the near euphoria experienced by others, I am not unduly impressed. Here's my take.
I have a pair of thirty-year-old 6X30 Pentax porros which are sharp as a razor, flat field, color neutral, infinite depth of field beyond twenty yards, but are not close focusing nor powerful enough for birding. These are my personal benchmark against which I'm judging the ZenRays.
ZRS HD 10X42:
Full resolution and really sharp focus just aren't happening. Just can't get there, try as I might. Nice and bright, good field, but that last bit of sharpness won't come. Never get the sense that the right barrel is working with the left properly. Great locking diopter though.
Some of that cheapo off-shore binocular "head swim" so much a part of inexpensive bins is part of my ZRS experience. Not pleasant. Have seen much worse, but was not expecting ANY with these.
I find the depth of field incredibly short, a fact that contributes to the discomfort I have trying to pic a bird out of the foliage.
Somebody said 85% sweet spot. Not mine. I get 60% at best.
The objective lens caps are a joke. The armoring is some sort of slip-on sock or something over the barrels, and this is loose and protruding beyond the lens.:C This protrusion prohibits the seating of the covers on the inside of the barrels.
The strap needs a serious upgrade.
So, good but certainly not great. Typical low-middle level bins. Don't want to rain on anybody's parade, just a word to the wise if you are going to buy them thru the mail without a look-see first.
Cheers.