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    Astronomical eyepiece compatible with Kowa 883?

    Hi, I tried APM HDC 3.5mm XWA eyepiece with my Kowa 883 using AS1.25G- adapter. It easily reached focus to the infinity. I recall somewhere mentioned that Kowa 883 would have focal length of 510mm so 3.5mm eyepiece would give about 145x magnification. I watched the moon and took some video...
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