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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
What focal plane?
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<blockquote data-quote="Senderofan" data-source="post: 516378" data-attributes="member: 13831"><p>The first focal plane...with reticles that can be used for rangefinding...can be used to range objects using the scope set at any power. The size of the reticle changes with the magnification...keeping the ranging marks and distances in a constant relationship to the magnification.. Second focal plane scope with rangefinding reticles are designed to range at a certain magnification setting...as prescribed by the manufacturer such as 10x or 22x. The rangefinding marking do not change the size in relation to the magnification...and thus don't always have a constant, equal, relationship with the magnification. Trying to describe it....but perhaps I've made things fuzzy? For most of my life...we've always had second focal plane scopes...it seems that the europeans have used first focal plane.......now we're finding more first focal plane options.</p><p> </p><p>It all depends on what you want to use the scope for....and if you plan on ranging with the reticle or a laser rangefinder. And I do think it is a personal preference situation. I've ventured into my first...first focal plane scope...and it will take some getting use to.</p><p> </p><p>Good Luck,</p><p> </p><p>Wayne</p></blockquote><p></p>
[QUOTE="Senderofan, post: 516378, member: 13831"] The first focal plane...with reticles that can be used for rangefinding...can be used to range objects using the scope set at any power. The size of the reticle changes with the magnification...keeping the ranging marks and distances in a constant relationship to the magnification.. Second focal plane scope with rangefinding reticles are designed to range at a certain magnification setting...as prescribed by the manufacturer such as 10x or 22x. The rangefinding marking do not change the size in relation to the magnification...and thus don't always have a constant, equal, relationship with the magnification. Trying to describe it....but perhaps I've made things fuzzy? For most of my life...we've always had second focal plane scopes...it seems that the europeans have used first focal plane.......now we're finding more first focal plane options. It all depends on what you want to use the scope for....and if you plan on ranging with the reticle or a laser rangefinder. And I do think it is a personal preference situation. I've ventured into my first...first focal plane scope...and it will take some getting use to. Good Luck, Wayne [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
What focal plane?
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