G'day Evan. in an earlier post I suggested using only the 5x powermate - apologies, seems that was not particularly good advice. Just did some calcs for your setup and you were right - you do need a bit more than 5x mag to get fine enough sampling with what I assume are about 12micron effective pixels in 1080p video mode. Maybe Tom can chip in here with the effective fl he uses - his results are good. regards Ray
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