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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. W

    Kowa 883 with 25/60 and 1.6 Extender Center Shadow

    Unfortunately I am unable to post any picture as I returned the scope and eyepiece. I was still within the 30 day return period on the purchase. I am happy to report that the new scope and eyepiece that were sent to replace the originals are working fine for me now.
  2. W

    Kowa 883 with 25/60 and 1.6 Extender Center Shadow

    Thank you for your response. I did a little reading on the kidney bean effect and please correct me if I am not properly informed. The effect can be kidney bean shaped or round and it can be from the eye being too close or also too far away. Mine appears to be too far away at higher...
  3. W

    Kowa 883 with 25/60 and 1.6 Extender Center Shadow

    Please excuse me if this is a dumb question but I am very new to birding and spotting scopes. I just purchased a Kowa 883 with the 25-60 eyepiece and the 1.6 tele extender. When using the 25-60 without the extender I am having great results however when using the extender at about 70 or higher...
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