I would expect one to only notice a difference on a dark night. And then only if one's eyes can see anything under such conditions. I found this valuable very early one morning on an elk hunt. Prevented me from spooking a herd of cows and two spike bulls.
I like the additon of the super hard lense coatings and the up graded dials on the 6X42. Last I heard, these were not standard on the 6X36. E
