FFP vs SFP Scopes: Which Suits Your Shooting?

First focal plane (FFP) and second focal plane (SFP) describe where the reticle sits inside the erector system of a rifle scope, and the difference has a direct, practical impact on how you use your optic in the field. In an FFP scope the reticle scales in size as you change magnification, so the subtensions on the reticle — whether MOA or MRAD — remain accurate at every power setting. In an SFP scope the reticle stays the same apparent size throughout the zoom range, meaning its subtensions are only true at one specific magnification, usually the maximum. Understanding which arrangement you actually need can save you a significant amount of money and, more importantly, prevent errors when ranging or holding over.

UK shooters span an enormous range of disciplines — from sub-12 ft/lb HFT competitors engaging targets between 8 and 55 yards, to deer stalkers taking single, carefully placed shots inside 200 metres, to PRS and long-range target shooters pushing centrefire rifles well beyond 1,000 yards. Each discipline places different demands on the optic, and the FFP-versus-SFP question is not simply a matter of one being better than the other. It is about matching the reticle plane to how you actually use magnification, holdovers, and wind corrections in your chosen shooting context.

In this guide we break down the technical differences, address common misconceptions, and offer honest buying advice so you can make a confident choice. We also cover how the reticle-plane decision interacts with MOA-versus-MRAD units, parallax adjustment, and zero-stop turrets — because these features rarely exist in isolation.

Buying Advice

Start by asking yourself one question: do I routinely change magnification mid-course-of-fire and still need to hold off the reticle for elevation or wind? If the answer is yes — as it often is in PRS, NRL, or practical rifle matches — an FFP scope is the natural choice because your mil or MOA hash marks remain dimensionally correct regardless of the power ring position. This eliminates mental arithmetic under time pressure. Look for a reticle design that is bold enough to read at the lowest magnification you will realistically use; a Christmas-tree pattern that vanishes at 6× on a 6–24× scope is a poor match for rapid target acquisition. Illumination with a daylight-visible centre dot is a practical bonus here.

If you are a deer stalker or an HFT shooter who dials to a single magnification and leaves it there — or who dials turrets rather than holding over — an SFP scope can deliver a finer reticle, a cleaner sight picture, and often better value for money at the same optical quality. Many of the best-selling stalking scopes in the UK are SFP, and for good reason: a thin crosshair that does not thicken at high power keeps the point of aim precise on small kill zones. For sub-12 ft/lb air rifles, which are realistically effective only out to around 50–75 yards, an SFP scope on a modest magnification range (3–12× or 4–16×) with an adjustable objective or side parallax down to 10 yards is usually the most practical and cost-effective setup.

Regardless of reticle plane, pay attention to complementary features. Parallax adjustment should cover your actual shooting distances — 10 yards upward for air rifles, 50 yards or metres upward for centrefire. A zero-stop mechanism is invaluable if you dial elevation regularly, preventing you from losing your zero reference. Match your turret and reticle units: an MRAD reticle paired with MRAD turrets (where 0.1 mil clicks move the point of impact 1 cm at 100 metres) keeps the maths simple, and the same logic applies if you prefer MOA (where 1 MOA ≈ 1.047 inches at 100 yards). Mixing units between reticle and turret is a recipe for confusion. Finally, handle the scope in person if you can — UK retailers and shooting shows are excellent for this — because eye relief, eyebox forgiveness, and image quality matter just as much as the reticle plane.