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Recent content by Jim D.

  1. J

    Dragonfly that lights up

    Most likely it was sunlight reflecting off of the wings, which were moving, even if the insect was not.
  2. J

    Depth Of Field better when diameter is larger?

    "I have a Swaro SLC 8x42 and a Zeiss Terra 8x25 and found the DOF of the 8x42 way better" doesn't suggest to me that the OP conducted laboratory measurements. Unless he was oddly curious about a very obscure technicality regarding optics, I imagine that he was concerned with the depth of field...
  3. J

    Eastern phoebe here for winter?

    An Eastern phoebe overwintered in Green-Wood Cemetery in Brooklyn last year, and appears to be there, doing the same, this year (currently mid-December 2022.) It spends most of its time picking food (insects and spiders, perhaps eggs) from a low stone wall surrounding a pond.
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