there is a 8mm ethos in the classifieds here, which will give a good medium power for planets & luna - & be usable on nights of good seeing for deep sky objects
i have a smaller scope but i like about 120x for dso (like malcolm) & around 200x on planets (my smaller scope cools quickly)
imo the 5mm angler will be too high a mag on most nights, the 6mm would be used more often
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