I have two Hawke Scopes, both Sidewinder 30s' and both are held in place with Weaver Grand Slam rings. I know your looking at the Varmint SF, but thought I'd ad in my findings on the upper lineup so you could compare.
- 3x12-50mm (HK4004) with SR6 IR Recticle mounted on a .243win
- 6x24-56mm (HK4012) with SR12 IR Recticle mounted currently on a .204Ruger (previously on a 22-250)
*note* both of the above recticles are now called the "SR Pro" and thus the above model numbers are obsolete, replaced by one number higher ie; 3x12-50 is now HK4005.
They have lasted 2 seasons of abuse in the field, withstanding sub-zero temps, sleet, snow, rain, drizzle etc. Both track well & haven't had any issues holding zero. Adjustment clicks are positive, the only "mushiness" to them maybe my frozen hands not working after a few stand/sets in frigid temps. Side parallax adjustment is easy to navigate & it's clarity is good. Although i haven't pushed it past 400yrds to test further. I've yet to use the IR feature either at the bench or afield, so I can't comment there.
I prefer the 3x12 over the 6x24, as I find the clarity is a little crisper at full yield. That's not to say it's not clear at 24x, just not as crisp (if that makes any sense). I really haven't run into a scenario while hunting that i needed to push past 16-18x to be honest so i'd take that with a grain of salt.
Of the the recticles, my preference is again the 3x12 w/the SR6. It's just a little less "busy" than the SR12. I find the SR12 Recticle is more cluttered & can be distracting when lining up a target afield. Hawke has recently changed their recticles to a Mil-Dot style which should help alleviate that. On that note, if i utilise the hash marks provided i can hold 200-400 yards without making turret changes easily enough & within M.O.C. (minute of coyote) with either scope. Reassuring in the field, when you don't have time to make adjustments for range/windage.
Hopefully that helps you. If you have any other questions, let me know.
