NightForce scopes

horseman2

horseman2

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I have a NF 12-42 power scope on my Anschutz 1710 ES HB used for 100/200 Metre Rimfire.
Good clarity and able to see bullet holes at 200 M.
Those in the 36 power range are okay on sunny days but not that great in the cloud and rain.
Has NF stopped producing scopes in this power range? Or are the distributors just not carrying them?
Mine has a side focus with crosshair and dot. The new ones are $2000 with adjustable objective and illuminated Xhair.
What is the little adjustment knob opposite the windage elevation knobs?
 
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3. Left-Side Knob or Objective Ring (Parallax/Focus Adjustment)
  • NXS Models: Features a side-focus knob (parallax adjustment) on the left side of the saddle.
  • Benchrest (BR) Models:Features an Adjustable Objective (AO) ring on the far end (front) of the scope.
  • Purpose: Removes parallax error (ensures the reticle stays on target even if your eye moves) and brings the target into sharp focus.
  • Usage: Turn this knob until the target is clear and the reticle does not move in relation to the target when you move your head.
 
horseman2 said:
I have a NF 12-42 power scope on my Anschutz 1710 ES HB used for 100/200 Metre Rimfire.
Good clarity and able to see bullet holes at 200 M.
Those in the 36 power range are okay on sunny days but not that great in the cloud and rain.
Has NF stopped producing scopes in this power range? Or are the distributors just not carrying them?
Mine has a side focus with crosshair and dot. The new ones are $2000 with adjustable objective and illuminated Xhair.
What is the little adjustment knob opposite the windage elevation knobs?
Click to expand...

Nightforce used to make a 12042 NXS as well as a 12-42 BR. The NXS had 1/4MOA clicks where the BR had 1/8MOA clicks. NXS has a side paralax knob where the BR had a more traditional front located adjustment. The only downside to the 12-42NXS was that it had less internal adjustment than the 3.5-15x and 5.5-22x. According to Nightforce, the 3.5-15x has 110 MOA of internal adjustment and the 5.5-22x has 100. The 8-32x drops significantly to 65 MOA internal, and I believe that the 12-42x had 50. If you're trying to drive something like a 300 Winchester out to any real distance, you'll want more elevation than that. You need 25 minutes just to get 200gr Hornady Precision Hunters from a 200 yard zero to 500 yards, and you also have to assume that your zero point will be somewhere in the middle of your total adjustment range. If your rifle is zeroed at 200 and you are at 10 MOA of internal adjustment (from the extreme end of the adjustment) then you only have 40 MOA of adjustment to play with to get you out to distance (assuming that you have 50 MOA available total).

When I built my 300 Winchester and zeroed it I found that a 200 yard zero was at the 50 MOA point. I didn't want to run out of elevation when stretching it out, so I had a +30 MOA rail made for it. That effectively bumped my zero back to 20MOA, leaving me with 70 MOA of elevation to play with. So I can stretch it out to right around a mile before I run out of elevation, and the majority of realistic distances are right in the center of the scope's adjustment range, which means that you have nearly full use of all of the windage adjustment in your scope. When you get to the extremes of the scope's adjustment, you lose some windage because of the position of the erector in the scope tube.
 
Mine is on a 22 long rifle using Eley match ammunition. I can go as low as 50 yards, 6 MOA up to go to 100 yards plus another two for 100 metres and 21-22 MOA for 200 M.
Thank for your help and suggestions.
 
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