Hey Martin..
EOS70d is an APS-C same size as yours...
I could upgrade to a 6" but, I don't really want to..
The Vixen is an absolute corker of a scope that I picked up from Ryan for a bargain...
I haven't done a lot of imaging with it yet but, what I have done looks great & that's without guiding
Plus, as a grab & go visual scope it is utterly stunning.. I kid you not...
Had it on the moon one night with a 2.5mm Vixen SLV EP & the views of Copernicus were simply stunning.. so crisp..
Not withstanding, if I keep the Vixen then, I've nowhere to put a 6"... my wife will take more body parts... and there isn't much more to give...
There is no way I'm letting that Vixen go though... it's an absolute gem