To my eyes (I'm 39 and have always had perfect vision) the 6X42 isn't really brighter. I just feel it has a bigger box and more FOV.
I need a big box.
Dave
Same 'view' here Dave except I'm blind as a bat without contacts.
For a hunting rifle it's pretty much a tie(IMHO).
This thread reminds me to send in a 6x36 that went to hell last year.