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  1. tenex

    Wide flat field and edge sharpness an illusion?

    I don't know, I've never seen those Nikons. Did they have a complex distortion profile like Swarovision? I agree about the SLC, it has just the right amount of pincushioning not to bend straight lines too much, yet still pan naturally. Most bins have more than that, Leicas most of all, whose...
  2. tenex

    Wide flat field and edge sharpness an illusion?

    Many threads have struggled with terminology here because the famous Swarovision did these two things at once: flattening field curvature, and fiddling the distortion profile to reduce pincushioning, at the cost of causing some RB. As do SFs and NLs (arguably better), while several other models...
  3. tenex

    Wide flat field and edge sharpness an illusion?

    Yet I've used 10x32s for 20+ years, two quite different designs now (BN,FL), and always felt they had a large sweet spot and liked that. There are good questions here but answers don't seem clear yet... Do many binoculars today really suffer from significant edge softness? (Edit: for...
  4. tenex

    Wide flat field and edge sharpness an illusion?

    I wonder how this difference is to be explained... can there be some degree of anatomical variation involved? I don't think I've ever been able to look directly at the field edge in any binocular (certainly no recent ones) without decentering my eyes, as I would never normally do in the field...
  5. tenex

    Wide flat field and edge sharpness an illusion?

    The question asked here then is whether you're physically able to do anything with those sharp edges (distinguish subtleties of plumage at the field edge?) or this is just an aesthetic preference, where taste seems to vary: (1) don't care about edges, that's not where I look (2) don't mind...
  6. tenex

    Wide flat field and edge sharpness an illusion?

    This has certainly been my experience, but there seems to be a common claim here that ELs and NLs (which I don't know well) are actually designed to allow one to do this, at the cost of insufficient baffling against glare -- i.e. assuming that aggressive baffling is what generally restricts the...
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