i'm going to buy either a leupold vx2 3-9 or a redfield 4-12 for my .45 knight super-disc.i've have not done much shooting past 100yds. as my hunting areas seldom allow even 100yrd. shots but i still want to set up for 2ooyds. just for fun.what do you folks think,would having 12 power be much of an advantage at 200yrds.....karl