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

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  1. 4

    Product Review Part II: Svbony SA405 85mm ED Spotting Scope: Eyepieces & Imaging Capabilities.

    I should clarify and state that the 65mm SVBONY was OK in my mind for a ~$200 scope. If I didn't already own a scope(s) I might have kept it. Overall it seemed better than some of the low budget scopes that I have owned and used. For example, I had also tried a 65mm Athlon that seemed worse...
  2. 4

    Product Review Part II: Svbony SA405 85mm ED Spotting Scope: Eyepieces & Imaging Capabilities.

    That's good to know about the focuser on that 80mm. The coarse focuser on my 65mm was a bit stiff, but the fine focus was OK. I really don't have a preference for helical or dual focus belt drive mechanisms, other than the helical seems easier to use with gloves on. I've never noticed helical...
  3. 4

    Product Review Part II: Svbony SA405 85mm ED Spotting Scope: Eyepieces & Imaging Capabilities.

    Hi Henry, I checked my notes on the 65mm SVBONY but unfortunately I didn't have any details on under or over correction. Sorry about that. It was an extremely quick look to check for obvious flaws. However, I have tested quite a few scopes and I don't recall ever seeing one over corrected at...
  4. 4

    Product Review Part II: Svbony SA405 85mm ED Spotting Scope: Eyepieces & Imaging Capabilities.

    I don't know if I can be much help Henry, but I had one sample of the SV406P that I can provide some observations on. The 16-48x65mm ED version. It seemed OK at 48x on simple targets indoors, but didn't exactly snap into focus even with the dual focus mechanism. I could get decent focus with...
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