First Focal Plane (FFP) scopes and Second Focal Plane (SFP) scopes are different in how the reticle is positioned in relation to the magnification.
In a First Focal Plane (FFP) scope, the reticle is positioned in front of the magnifying lens. This means that as the magnification is increased or decreased, the reticle will appear to change size along with the target image. This allows for accurate holdovers and hold-offs at any magnification setting, which is useful for long-range shooting.
However, FFP scopes are generally more expensive than second focal plane scopes.
On the other hand, in a Second Focal Plane (SFP) scope, the reticle is positioned behind the magnifying lens. This means that the reticle will appear to stay the same size regardless of the magnification setting. This makes the reticle appear more consistent and easier to use at lower magnification settings, but holdovers and hold-offs at higher magnification settings will be less accurate.
So, it depends on your needs and preferences, If you're going to do mostly long-range shooting or need accurate holdovers and hold-offs at any magnification setting, you may want to consider a FFP scope. But if you mostly use your scope at lower magnification settings and prefer a consistent reticle size, a SFP scope might be a better choice for you.
Photo by Manuel T on Unsplash
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