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Optics with reticles in the first focal plane will most of-ten be found in scopes designed for general purpose or hunting applications. In a second focal plane optic, the reticle is installed towards the rear of the erector, past the lenses that help control the magnification of the image.ow, there are one or two manufacturers that have scopes with reticles in both focal planes but this is more the exception than the rule. The focus of this article though will be the differences between FFP and SFP reticles and what that means to the shooter.
While adjustment in parallax on rifle scopes is not required, there are a lot of target shootesa who want this to be present in their scopes for easy targetting and shooting. Sometimes, the parallax is of concern because shooters want their rifle scopes to be clear and make their shooting accurate most of the time.Almost all brands donât have the feature of adjusting the parallex but rather have a pre-set to be parallax free at around 100-200 yards, while shotguns are set at 50. rifle scope parallax is a known optical illusion where the target looks out of focus and the focal plance of the target is offset from rifle scope reticle.