K&F CONCEPT Magnetic 72mm to 77mm Step Up Ring Adapter for FU705 Filter Kit

About this item

• Exclusive for A3 Magnetic System: Tailor-made for the K&F CONCEPT Nano-X Magnetic Filter Kit (Model: FU705). This base ring seamlessly integrates with your entire stack including CPL, FSND, Black Diffusion 1/4, and Blue Streak delivering a flawless, professional fit.
• Swap Filters in Seconds: A game-changer for multi-lens setups. Stop wasting time threading and unthreading. Keep this filter adapter ring on your secondary lenses to instantly snap your magnetic filters across your gear for fast, run-and-gun shooting.
• Rock-Solid Magnetic Hold: Built from premium aviation aluminum, matching the exact specs of your original X-series ring. It delivers a strong magnetic grip that locks your filters securely in place no wobbling or accidental drops.
• No Vignetting Design: Engineered with the identical step-up profile as your original kit. The ultra-slim frame ensures maximum light transmission while completely eliminating dark corners and vignetting, even when stacking multiple filters on wide-angle lenses.
• Smart Step-Up Solution: Maximize your lens arsenal. For example, a 72-77mm magnetic step up ring lets you instantly mount a 77mm filter system onto a 72mm lens.