Canceling My Rf 100-500mm Order...Or not?

Czardoom

EOS RP
Jan 27, 2020
320
702
And supposedly IBIS is not that much of a factor on long lenses.
Having some experience with other brands that have IBIS, but many lenses without IS, there is no doubt in my mind that lens IS is considerably more effective with longer lenses, but IBIS certainly is helpful in either case.