Does adjusting your magnification power change your mark distances?

Seen. It yesterday, would that work on non Nikon scopes?

If you have a 1st focal plane scope the gradients will change depending on the power setting. A Nikon with mil-dot reticle will put "MIL" on the highest power setting to let you know that's where the mil-dots will work as intended. 2nd focal plane scopes don't have this issue.

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Say you have a BDC scope, your zoom power changes everything on your scope, shite is confusing as hell.

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Yup, second focal plane scopes have this issue.

First Focal plane scopes do not, the reticle will change size with magnification but the adjustments will always match what the reticle tells you.

FFP is faster, but SFP is better for hunting applications because the the reticle stays the same size. A FFP reticle can get real big and cover some targets.

LINK

This a Sfp or Ffp?

Second. The FFP scopes are normally labeled as such. Went to Vortex to confirm.

Its not a big deal though, just have to read the manual and see what power the SFP scopes are calibrated for. Most when you zoom to 10x all your adjustments will match what you see in the reticle.

Ballistic Apps can get you very very close if and this is a huge if...

If you put in accurate data.

You need a chronograph. You need to know the weather. You need to collect the data and then understand how the weather impacts your gun/load. Then you should verify the data.

Garbage in equals garbage out.

For ballistic apps I like the Applied Ballistics App($), JBM Ballistics, and Shooter.

I wouldnt buy a custom dial because it will only be accurate with that one load at that temperature.

I would imagine, you would be fine with it if just hunting down here. It could give you issues if you buy the dial with your data down here and then go up to colorado and dont account for the weather and altitude. Could mean a miss on that lifetime hunt.

ETA:

If your only going to shoot 100-250 yards, then the old tried and true 1.5-2 inches high at a hundred has worked for like a million years.

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Seems like adjusting the magnification, noting the scope power setting and then looking at the app to find the corresponding range would take a good bit of time. I've always tried to get off my shot at a deer in <5 seconds. Of course, the app settings are going to change completely if you change loads. And as mentioned earlier, to have accurate ballistics you'll need to know the chronographed muzzle velocity for the round you're shooting.

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the app is really easy to adjust on the fly and let you know. Plus, you'll get the feel for what it'll do the more you get used to it. Really changes a good deal with zoom power in the 300-500 yard ranges.