I've got a Leupold 3x9 on my .270 because the lower mag. works great for quick and close, and the 9x is nice for far away, and picking shooting lanes in thick cover
Another 3x9 on my .243 for the same reasons,
2x7 on my kid's .243 because the scope is compact and fits the small 'youth' rifle great.
Have an old fixed 4x Leupold on my muzzleloader because I wasn't using it for anything else, and 4x is plenty on that gun since it's basically a 100yd. or less gun.

I live in Oregon and have a 2-3/4X, a 3X and a 4x on three deer rifles because I appreciate the wide field of view on light rifles that shoulder well for quick shots. A fourth carbine, a Win Model 94, is equipped with a Williams aperture sight. As you may guess, few (if any) of my shots are taken at long range. Shots at greater than 75 yards would be a rarity, and most opportunities are much closer than that.

I have Nikon 2.5x10 Monarch scopes on my .270 and 7mm-08 and a Nikon Buckmaster 3x9 on my 7mm Rem Mag because I like the versatility they give me---low magnification for close brush or still hunting and more magnification available if I need a closer look.

i use a 3-9 Nikon buckmaster, the 3 works great at low ranges like 20 yards and 9 works for far away like 300 yards

3-9 is as big as I've gone outside of varmint rifles and can't see myself or really anyone needing more, I'd be just as happy if 1-5 or 2-7 was the biggest they made. Fixed 4x is great but isn't optimal for the really quick and close shots.

An objective over 40mm isn't very practical unless you plan on taking most of your shots at long range, high mag, and in low light. In most cases 32mm is plenty.

99explorer is in the ballpark with what he's saying about exit pupils, lens diameters, and magnification. You figure exit pupil (the cirle of light shooting out the back of the scope into your eye) by dividing the lens diameter by the magnification. Check your variable scope out, the exit pupil gets smaller as you crank up the power. Your eye can only go to 7mm max, and in legal shooting light probably won't get much bigger than 4 or 5mm. Basically it adds up to this - get a smaller scope. The lower you can mount the thing the better, for multiple reasons. If you can't use low rings, your scope is probably ridiculous.

3-9x40mm Nikon Buckmaster on 30-06 Rem700. This is actually overkill in both, since I hunt eastern deciduous forested mountains, but I wanted something I could take elsewhere if/when I get the opportunity.
1x red-dot on .35Rem Marlin336, which is more practical in midstate PA.

Nikon prostaff 3x9

I use 3X9X50 Nikons on my deer rifles. I'm convinced the 50 gives me more time in the morning and in the evening. I use either Prostaff's or Buckmasters. I have tried others but these seem to suit me best.

I use 3X9X50 Nikons on my deer rifles. I'm convinced the 50 gives me more time in the morning and in the evening. I use either Prostaff's or Buckmasters. I have tried others but these seem to suit me best.