Getting Off Zero When Changing Parallax

[Zimpara 99]

I've read on a thread your zero can change when you change parallax on a cheaper variety scope(Nikko sterling etc) Now what isn't clear is if they term parallax the range finding AO-or the eye relief +-. Any ideas?

[jonnie bravo 572]

Parallax is adjusted using the AO bud.

 

Adjusting your parallax shouldn't change your zero.

 

The best thing to do is to focus your parallax at the range you zero at, when you zero.

 

But be aware that slight changes in your eye alignment through the scope at ranges other than your zero can change the point of impact easily. This is magnified by larger objective lenses and higher magnification

[Zimpara 99]

So is parallax the dial that makes the cross hairs sharp or the target picture in focus?

[jonnie bravo 572]

If you look at your crosshairs, you adjust the AO so the target picture is focused.

 

If you look at the target picture, you adjust the AO so the cross hair is focused.

[Zimpara 99]

Ocular lenses/objective lenses. Which one is parallax? Cheers but it isn't clear

[jonnie bravo 572]

Objective mate, AO= adjustable objective, sorry I wasn't clear

[bilbobagins 92]

the front or side adjuster is the parellax the adjuster at the rear of the scope is to make the crosshairs clear and adjusting the parrallax should'nt alter the point of impact but will alter the mildot aim points

[jonnie bravo 572]

the front or side adjuster is the parellax the adjuster at the rear of the scope is to make the crosshairs clear and adjusting the parrallax should'nt alter the point of impact but will alter the mildot aim points

The ocular lens is for eye relief, and changing the parallax settings shouldn't do anything for mildot aim points? Only magnification does that.

[carlstoke 34]

I have a Hawke scope where the point of impact moves if you adjust the zoom eg. if you zero on 10 then zoom down to 6 impact point moves to the right, never heard of AO altering point of impact.

[Zimpara 99]

Thread I read suggested cheap scopes alter POI when objective is focused. :-) Carl Stoke what scope do you have? Does it happen if you focus on a different range?

[barrywhite 282]

I feel that my point of impact moves when I adjust my adjustable objective lenses sometimes . If I adjust and shoot at longer distances no problem but when I then shoot a ten yard and adjust the AO I have found problems . My impact point can move noticeably . I would think unless the lense and the threaded components and the scope tube were 100 percent perfect your point of impact has to move a bit . twisting the front lense of the scope has to be like moving your front sight if you were using open sights . the eye ball end of the scope lense that is pretty much set once you find the spot that focuses nice , but then again trying to shoot very close you my mess with it . As to what moving this lense does for moving the point of impact I am undecided .

[carlstoke 34]

Hi Zimpara, the scope is a Hawke airmax SR12, as ive said if zeroed on 10 mag you can focus on any range target, the impact point only moves if you change the mag setting not the ao, hope this makes sense.

[barrywhite 282]

Hi Zimpara, the scope is a Hawke airmax SR12, as ive said if zeroed on 10 mag you can focus on any range target, the impact point only moves if you change the mag setting not the ao, hope this makes sense.

this is the scope I have that have noticed this problem first . I get a problem when moving my object lense for sure . I think the problem is there is massive magnification so any inaccuracy is MAGNIFIED .ha ha

[jonnie bravo 572]

 

 

I think the problem is there is massive magnification so any inaccuracy is MAGNIFIED .ha ha

 

Oh dear, get ya coat

[bilbobagins 92]

Sorry guys neglected to mention changing mag setting will alter mill dot aim points but at high mag if the parallax is not set correctly parallax error can occur which will alter your point of impact