leannejason
Regular
- Location
- Fraser Valley
What power do you usually set your scope at to achieve 3-5 shot M.O.A. or better "one hole" groups at 100 yards ?
100 Yard scope settings ?
- Thread starter leannejason
- Start date
I dont find that going to anything above 6X is advantageous. Too much magnification just amplifies the motion on the target - which doesnt help me. The above post about parallax is very relevant, I check each scope I buy closely. Of the forty and some odd I've gone through over the years, roughly 30% have shown sifgnificant parallax error at 100 y - even expensive scopes.
- Location
- Somewhere on the Hudson Bay Coast
That is exactly the point for using high magnification. If you are shooting from a rest, as is the case when attempting to shoot tiny groups, you need to adjust the rests, both front and back until there is no visible motion. After each shot you return to the precise spot you aimed at previously, not simply bisect an X ring, and high magnification under these circumstances will take aligning the rifle with the target out of the group size equation.
I do agree that when practical field shooting, there is little value to more than 6X at 100, but under those circumstances we are only concerned about the precise placement of the first shot, and the speed of the follow up shot, on what then will be a moving target.
Sorry Cosmic, There are tens of thousdands of short range bechrest shooters that would call that statement absurd. Many of them use 42X and 36X fixed power scopes. I regularly load develop at 100 and 200 and use 42X with a booster.
Having scopes that reveal the amount of motion you have is a good thing. It tells you that you need to come up with better techniques or (bipod, rest) equipment or both.
Having scopes that reveal the amount of motion you have is a good thing. It tells you that you need to come up with better techniques or (bipod, rest) equipment or both.
Yes, cosmic, as has been said, the high magnification numbers assure one that there is no movement when benching a very accurate rifle. I certainly agree with your parallax statement though. That is why adjustable Objectives are always seen on precision optics. I personally like 36X or more for 100 yards and up. Even when shooting Rimfire. Eagleye.
leannejason
Regular
- Location
- Fraser Valley
Okay, thanks all.
what exit pupil do such high magnification scopes have?
A 36x50mm scope only yields 1.4mm which is IMO is only usable in bright sunlight days.
But then again, them are benchrest scopes. Not to be confused with hunting scopes.
That was the question I asked a couple of months ago, can you have too much scope. I had gone up from a 4200 4x16 to a 4200 8x32. On the 32 setting I could clearly see how bad my technique. Unfortunatley it took me a couple of range trips to stop chasing the wobble around the target.
Any combination of magnifycation and Objective diameter that gives you less than 7 exit pupil will be a handicap in low light conditions, ever wonder why two of the best sniper scopes the Swarovski ZFM and the Kahles ZF62 both have a 6x42 power/objective ratio! It's not a coincidence! Of coarse none of this matters if all you are doing is punching paper.
bigbull
