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Originally Posted by ericwbenson
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I agree with the comparison in this article but it is a sampling issue (bayer vs. mono) ie 1 in 4 instead of 1 in 1 not a QE issue. You mentioned poor QE of OSC for a particular bandwidth. OSC can pick 656nm Ha quite well although it will be only in red so the resolution won't be there but it also depends on the image scale. On widefield you won't feel the pinch. At long FL on M1, well yeah of course. Haven't had any issues with Ha to date and I do a fair bit of NB from home. Oiii works very well as it falls both in 1xblue and 2xgreen, so very very fast. Sii is another story.... tedious.