Can the same distance chart be used with all powers of scopes and binoculars? The formula to calculate is the same. I also noticed whether it's 7x50 , 8x30, and 10x50 the object at the end of the street shows 1.7 on all scales.
Huh? I don’t understand what you’re talking about with binoculars. Do they have ranging reticles in the lenses?
If so, then the spacing has been adjusted for the power.
I don’t know that I understand either.
But yes, if different optical devices have some sort of rangefinding reticles, then they will obviously be designed to be accurate for the specific magnification power of the device. If they weren’t, then they would all yield different results and therefore be worse than useless. That problem occurs with variable power second focal plane riflescopes. If the magnification power isn’t set at the proper one that the reticle is calibrated for, then any distance estimates based on the reticle won’t be accurate.
“Most men … can seldom accept the simplest and most obvious truth if it … would oblige them to admit the falsity of conclusions … which they have woven, thread by thread, into the fabrics of their lives.”
— Leo Tolstoy
Yes most military have a range finder in one of the lenses, they also have a formula to compute distance, Steiners use the right lenses, Fuji uses the left lens. I think it was hit right on the head, each distance is calibrated to the lense power. Thanks for the for making it clear. That is why to formula is standard.
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