Please tell me this is wrong....

I have only one scope that is close. The others are so far off as to be worthless and unusable. So, I don't even look at the markings. I just do what has to be done. I adjust the parallax while doing the "head-bob" until the target appears stationary. You see Ted and all the other experts doing the same thing. Unless you wish to go to the same trouble as the FT guys in making large custom parallax wheels and marking them yourself, you have no other option. Most smart scope shoppers look for more important details like the quality of the glass and design of the reticle and the preciseness of the turrets. Not so much importance is placed on the accuracy of the parallax markings. Personally, if I wished to be a respected scope manufacturer, I wouldn't let a scope out the door unless the parallax adjustment and it's markings were as precise as the turrets. But that's obviously not the demand of the consumer, so sloppiness is common.
 
I use a larger sidewheel on most if not all my scopes and have found that very few agree (once I sight in and mark the side wheel for me) with the marking on the small parallax wheel Some are worse then others even between otherwise identical scopes.

I have seen (it's been years though) posts about re-orienting the stock wheel. Got close at some distances but there was still error between markings .Prob differs between scope manufactures though. I just looked quickly and couldn't find anything that looked familiar

BeemanR7's last sentence sums it up for me....
 
I just bought a Sightron S-TAC 3-16 with side focus. there are no yardage numbers on the focus knob just hash marks. I installed a 80mm parallax wheel and marked it myself, I haven't seen any scopes in my price range that were dead on, Sightron spent the money on the glass, turrets and overall construction and man did they get it right, much more scope than I expected for the price.
 
I have an Athlon FFP scope as well. And yes, the yardage is off. Partially a factor that the eyepiece is tuned for my eye, which changes the focal point, which in turn causes an error in the numbers on the side focus. This was not a problem for me, as I was going to add a sidewheel (snail), and calibrate it at the range. I did get a snail and calibrated it. Now the snail is marked to match the exact yardage with the eyepiece focused for my eye. 



1536392369_21364137325b937cb10e8c25.61477080_Scope Snail zoom.jpg

 
I have had great luck with my Athlon FFP scopes. They are not a high end scope like a Night Force or Vortex PST. But then again they don't have a high end price tag. The parallax marks are off a little on mine and on one the turret marks are off a little, but the clarity is good and it tracks great. Reticule is great. I think it's a good value. Plus they stand behind the product and have great costomer service. sylvan