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    Which binoculars are less stressfull for the eyes?

    The thing about all these tests (and I take my hat off to all involved for making the effort to organize them) is that using boosters etc starts getting into the realm of ball stacking, or whatever term it is that the Archbishop of Alignment (or should that be the C-in-C of Collimation?) likes...
  2. P

    Which binoculars are less stressfull for the eyes?

    I can only really speak from my own experience, but if glassing for hours after distant targets, I've found field flatteners (Swarovski SV, Nikon SE) to help in terms of reducing eye fatigue. I don't think they are an absolute must, but I feel there's something about the flat field that makes...
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