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  1. Alexis Powell

    Focussing: Just Do It!

    Most do but many do not. --AP
  2. Alexis Powell

    Focussing: Just Do It!

    Yes, I understand, I think, what you were trying to explain back then. If I might add, my own understanding has changed a fair bit since that thread of 10 years ago. John Russell cleared up the question of apparent distance of objects seen through binoculars in that thread, but it took me a...
  3. Alexis Powell

    Focussing: Just Do It!

    I wonder the same. In the distant past (e.g. What is the Best Distance for Initial Focus/Diopter Setting), you've argued that subject distance didn't matter but that focusing from near to far might matter for getting the best focus and diopter settings. Has your understanding changed since...
  4. Alexis Powell

    Focussing: Just Do It!

    They are two different things of course. I mentioned it because I thought a reader might suspect that if my son didn't focus the scope consistently that it might mean that he had limited vision (e.g. poor acuity). His acuity was and still is normal, though he has become nearsighted. --AP
  5. Alexis Powell

    Focussing: Just Do It!

    I also find this interesting because it is not universal in my experience. As some will know from past threads, I've long had an interest in the fit of binoculars to children (adequately minimum IPD often being the deal breaker) and, for example, always outfitted my own kids with binoculars when...
  6. Alexis Powell

    Focussing: Just Do It!

    All in all great stuff/advice, especially for those with very old eyes (lacking accommodation entirely), those with very young eyes (having much accommodation, and even more importantly, having very elastic and thus quick to tension and rebound lenses), and those whose left and right eyes are...
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