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  1. V

    Harpia Extender

    I might not answer your question but to me "boosting" (with an extender/teleconverter) does not make sense other than if the resulting magnification is higher than the scope's maximum magnification with the original eye piece. Otherhwise it's better to use the zoom function in the eye...
  2. V

    Harpia Extender

    96x vs 102x or seems pretty close to me. Quality of the tripod might be more important at those mags? To me 60-70x is more than plenty but I can understand that extenders can be useful in some cases. And also it might help some people with not that sharp eye sight. I guess people tend to...
  3. V

    Harpia Extender

    Only Zeiss know about this. But considering the large zoom range in the Harpia it would do with only 1.4 "extra mag" in the eye piece for a range of 30-98x. Perhaps a bit more useful than 40-96x in the Kowa it might seem, especially considering the difference in FOV. Things like DOF and loss...