savageshooter86 said:
you only option is not the NF. Could get a 36x Weaver T36 or the Sightron SIII model scope is real good. I have the 10-50x version and keep mine on 45x.
A lot of people have made comments in the past about having to dial down in heavy mirage when using high-mag riflescopes. However, several people have dismissed that impression as being incorrect or overblown.
I happen to be in the latter camp, but only since I acquired a high quality high magnification riflescope.
I used a Weaver T-36 for several years before breaking down and getting an NF NXS 12-42X56.
I remember when shooting with my Weaver that when the mirage was heavy the aiming black at 1000 yards looked more like a crazed amoeba than a circle. Also the T-36 has a 40mm objective lens so on overcast days or early mornings/late afternoon, the picture in the eyepiece was downright dark. With advancing age it was getting very difficult for this shooter to see the reticle on the black amoeba. On bright sunny days, it's a fine scope, don't get me wrong, and the adjustments are top-notch and repeatable.
That said, when I started shooting with my NXS, the amoeba calmed down a great deal and now almost 2 years and about 30 matches later, I can tell you that you want to keep it on the high end all the time. The shortest I've ever used it was 600 yards and most of the time, I'm shooting 1000 yard matches, year round. I will also say that I use the illuminated reticle to help me get a better contrast for the reticle on the aiming black.
As I have stated in another thread, higher quality glass, with better resolution, diminishes the effects of the mirage; or put another way, lower quality glass intensifies the effects of mirage in the picture.
As for 1shot's theory, I'm not quite sure where he was going with it, but I can assure him that in F-class (and I suspect Benchrest also,) if you detect wobbling in your scope you have bigger issues than you think; you had better be stone cold solid in your aim and be able to freeze the reticle on the target or you're just shooting for fun.