PJWmids 35 Posted November 2, 2013 Report Share Posted November 2, 2013 When you zero a rifle say at 25 yards on a specific magnification, does altering that magnification then change the point of impact slightly at the same distance, or does it make no difference once zero'd. Quote Link to post
ian118118 10 Posted November 2, 2013 Report Share Posted November 2, 2013 I wouldn't think it would make a difference, only difference would be if using the milldots. May be wrong. Atb Ian Quote Link to post
Bootsha 1,306 Posted November 2, 2013 Report Share Posted November 2, 2013 no difference to point of impact mate, regardless of variation on the magnification, the only thing that will change if you turn up the magnification is the target will look twice as big and you'll see your heartbeat and any other movement increased, but if its zeroed at 25 yds, then thats where it will stay zeroed, in my limited experience. hope it helps B Quote Link to post
pernod 466 Posted November 2, 2013 Report Share Posted November 2, 2013 It shouldnt make any difference at all. Unless you have a crap scope. Pernod 2 Quote Link to post
Skot Ruthless Teale 1,701 Posted November 2, 2013 Report Share Posted November 2, 2013 Yeah 4x and 16x *should* be the same at 25 yards mate Quote Link to post
PJWmids 35 Posted November 2, 2013 Author Report Share Posted November 2, 2013 thanks Quote Link to post
OliverHoughton 1 Posted November 3, 2013 Report Share Posted November 3, 2013 The hold over will change at ranges though if you keep changing the magnification but P.O.I will remain at 25 yards Quote Link to post
TimS 49 Posted November 3, 2013 Report Share Posted November 3, 2013 As said, zero is zero. Won't change. Your Mildot values at other ranges will change depending on magnification however, makes sense as the size of your mil dots relative to target either increase or decrease depending on the mag, Tim 1 Quote Link to post
WoodsmanJim 160 Posted November 3, 2013 Report Share Posted November 3, 2013 The mildot values will change at ALL ranges, including zero range, if you change the magnification setting from whatever it was when you zeroed and calibrated. The centre crosshair will be unaffected as your POI at zero range whatever magnification your on. Jim Quote Link to post
WoodsmanJim 160 Posted November 3, 2013 Report Share Posted November 3, 2013 My above reply is assuming you have a scope with the reticle on the second focal plane. If you have a first focal plane scope the reticle will also get bigger and smaller as you change the mag, so the mildot values stay the same. Jim Quote Link to post
Guest JLD91 Posted November 3, 2013 Report Share Posted November 3, 2013 This is always handy to know, so thanks for the thread and the replies. Quote Link to post
ghillies 209 Posted November 4, 2013 Report Share Posted November 4, 2013 theres a first focal plane and a second focal plane thing, one changes the dot spaceing the other does not. but in short the poi shouldnt change with mag change or parralex change. its a iffy scope if the poi moves. eather way the zero point should always be there no mater where the focal plane is for the ret. Quote Link to post
bilbobagins 92 Posted November 4, 2013 Report Share Posted November 4, 2013 just had this argument with my mate so we tested the theory and all the above replys are correct as was I with my mate haha Quote Link to post
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