Personally a jump from 10 - 12 is really not worth the $$'s expended
. No .
As already said to see an improvement yes 16 inches is where it;s at , but !
A 16 inch scope is in the monster territory
BIG ! and monstorious
true as .
I would start with the 10 inch that you have and be very happy because aperture fever is ,,, expensive
.
Enjoy your 10 inch ! it's bigger than I owne
Brian.