Focal Length | Definition, Formula & Examples
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First vs. Second Focal Plane Reticles Many hunters do not understand the difference between a first and second focal plane reticle. It’s really very simple. With first focal plane, the reticle is magnified just like the target when you turn the scope’s power ring. In other words, the relationship between the reticle and the target always stays the same. Because of this, the first focal plane reticle has become very popular for long-range shooting because exact MOA or MIL reticle corrections can
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