well dunk, you have unwittingly hit the nail on the head. Imaging time is very precious in the uk due to the sucky weather, so having a faster scope F5 scope Vs F7 will make quite a difference.
I'm not so much bothered about the resolution, simply having a nice flat field and decent speed is what i crave.
Glen, i dont have a MN190 so can you send your measurements to Ron at Moonlite at least to get the ball rolling.
Regard,
Rich.
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