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I have been trying different eyepiece and filter combinations lately to see what gives the most detail. All my lunar and planetary observing is done through bino viewers. I am a recent convert, only had my Binotrons for 6 months, but I am getting lifetime best planetary views using them.
For Mars the Baader M&SG filter works well, and is probably the best target for using this filter. Contrast between black and red surface features is much improved. It does turn the red surface a dark pink, but I don't find that objectionable. I have also found the warm tone from TeleVue Plossls to work best on Mars.
Jupiter is almost an identical repeat of Mars. The M&SG filter works very well to enhance the red banding.
This filter doesn't improve the detail on Saturn, and to me, gives it a soft appearance. I have found that using cool tone eyepieces like my Denks, Delos and Ethos without a filter works best for revealing Saturn's detail.
Despite its name, I like using the M&SG filter on the moon. It dims it slightly, so I don't feel like I am getting punched in the face, and slightly enhances detail. It definitely works better than ND filters in my experience.
I have tried this filter on DSO, because of its claim to improving contrast on galaxies. But I have found this not to be the case.
So the M&SG probably only works on 3 targets in my opinion, but does a good job on them.
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