closeupfanatic

Lives in Canada Ottawa, Canada
Has a website at http://johnsankey.ca/
Joined on Sep 22, 2008

closeupfanatic's recent activity

  • Created question thread close-up UV-visible lens?
    As you gather from my handle, most of my photos are closeups. I've been using the CoastalOpt 60mm APO Macro for UV-visible photos, but it develops an impossible hot spot closer than 1:4 and it's ...
  • Hi, I take extreme closeups. 1: photos taken with a tiny lens opening to get adequate depth of field: the blur is diffraction which has a much longer 'tail' than gaussian (out-of-focus blur) so ...
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