i hate variables because i'm a fiddler; just can't leave 'em alone. used a fixed 6x two seasons separated by years. five deer killed at 75 to 295 yards. no need for more. right now, i've a .308 with fixed 2.75, and .308 with fixed 4x. all i need, and i'm 72. i actually prefer open sights, just because ... variables also weigh more than fixed peers, and are far more complex ... two bucks i've killed so far this season are with a crossbow, and a peep sighted single shot .45-70.