Sidewheeling

by Paul , Sunday, August 12, 2012, 16:12 (4297 days ago) @ Mark

The side adjustment on some scopes is handy as a range finding device. It is used by a lot of folks in the Field Target sport. It is very handy when shooting rifles with a rainbow style trajectory like your typical 12 FPE air rifle. I'd never played with one until a couple weeks ago. It was set up on an Air Arms 410 FAC precharged pneumatic rifle. When properly used with a matching wheel you can adjust parallax and see exactly how far that target is from you, then you hold over (or under) as appropriate and make the shot. The theory is pretty straight forward, but I don't have enough time with one to see if it really pans out or not. If you're shooting relatively stationary targets like pasture poodles and un spooked ground squirrels then it could be right handy.

The front adjustable objective does the same thing, but typically isn't quite as precise as you can get with the side adjustment with a large, properly calibrated and annotated wheel attached.