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    Kowa 66a vs 773

    The weight difference between the bodies of the 773 and 66a is not that much, about 6-7 ounces (170-198 grams). Same eyepiece will be used in both so those optics and weights are identical. So… Length: essentially the same Weight: essentially the same Focal length: essentially the same The...
  2. C

    Kowa 66a vs 773

    The 66a has a pure fluorite objective lens, while the 773 uses ED glass. The 66a should control color fringing better than the 773 due to this higher grade objective lens. If you are someone who sees color fringing very easily, then the 66a would be the better choice in terms of optical...
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