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Kowa-tsn-773.34212197

KOWA TSN-773

Eye Pieces - • Multiple interchangeable eyepieces available in Read more

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Reviews and Problems with KOWA TSN-773

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Kowa TSN-773 Spotting Scope

Optics4Birding
4 April 2014
  • Excerpt: In the beginning, there was darkness (which is great for owling but notably poorer for passerines!). Then, in about 1952, Kowa invented the Z-prism and the modern spotting scope was born. Kowa held top position in the spotting scope market until well after their patent ran out, and the other optics makers began to catch up. Since then, some of the competitors have replaced Kowa at the top.
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