rugerman07
Member
I'm considering a Tasco Scope for my Ruger 10/22. My question is what does 50 yard parallax setting mean? 
Scope - Parallax Setting
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I'll try. Hopefully, someone more articulate will answer as well.
A 50 yd. parallax setting means that the scope is set for 50 yds. If you were to put the gun on a solid rest (clamp it down), aimed at a point 50 yds away, you could move your eye back and forth across the subjective lense and the scope would stay aimed at that point. If you left it set to 50 yds, but pointed the scope at something 300 yds away, the crosshairs would shift from left to right of the target as you moved your head from right to left.
You really have to do it to get the picture. Many scopes have parallax setting. If they don't (somebody correct me here), they are permanently set for a specific distance. When you have the parallax set for the correct distance, you don't have to be looking perfectly down the center of the scope to get off an accurate shot.
A 50 yd. parallax setting means that the scope is set for 50 yds. If you were to put the gun on a solid rest (clamp it down), aimed at a point 50 yds away, you could move your eye back and forth across the subjective lense and the scope would stay aimed at that point. If you left it set to 50 yds, but pointed the scope at something 300 yds away, the crosshairs would shift from left to right of the target as you moved your head from right to left.
You really have to do it to get the picture. Many scopes have parallax setting. If they don't (somebody correct me here), they are permanently set for a specific distance. When you have the parallax set for the correct distance, you don't have to be looking perfectly down the center of the scope to get off an accurate shot.
rugerman07
Member
Thanks for the reply.
bensdad is basically correct. it might be more correct to say "the scope is set to be parallax free at 50 yrds" and "some scopes have a parallax adjustment that allows you to set the scope to be parallax free at whatever range you're shooting"
ImARugerFan
Member
That's funny. I had a tasco that I realized the crosshairs were moving when I shifted my head left to right. I threw it in the garbage. I've never seen another scope do this to me before. I guess I was just at a bad distance for that scope.
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