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  1. C

    2017 Biggest Week in Amerian Birding Festival

    And the people using the previous generation Trinovids have probably been using them since they purchased them when they were new before the Ultravids came out. :king::t: Bob PS: Wouldn't that 0-ring under the eye cups on your SF increase the ER instead of decrease it or am I not picturing...
  2. C

    2017 Biggest Week in Amerian Birding Festival

    Yes, I concur with all that. I have an 8x42. Nikon explains it thusly: "NIKON'S FIELD FLATTENER LENS SYSTEM works in conjunction with MONARCH HG'S extraordinarily wide field of view*-- 8.3º and 6.9º respectively in the 8x42 and 10x42 models -- to provide a sharp, clear view to the lens...