The frame is made of brass material with an ultra-thin design. CNC integrated molding has both hardness and flexibility, smooth and durable installation, 0.01mm-level processing accuracy, the frame is highly fitted and fixed to the lens, and there is no vignetting when installed on wide-angle and telephoto lenses.

• * 【Ultra-thin Brass Frame】The frame is made of brass material with an ultra-thin design. CNC integrated molding has both hardness and flexibility, smooth and durable installation, 0.01mm-level processing accuracy, the frame is highly fitted and fixed to the lens, and there is no vignetting when installed on wide-angle and telephoto lenses
• * 【Ultra-high light transmittance】 The lens uses K&F Concept's exclusive coating technology, and the reflectivity as low as 0.15% can eliminate 99.2% of polarized light and ensure 45% light transmittance. Reduces flare and ghosting that can occur when filters are attached to the lens, with little or no impact on the original performance of the lens
• * 【Double-sided 36-layer nano-coating】Super waterproof, anti-smudge, anti-scratch, providing excellent durability for your filter
• * 【Handmade genuine leather filter bag】Equipped with genuine leather material specially designed by K&F Concept for photographers, pure handmade storage bag
• * 【10-year warranty】Each filter has a unique identification code, which supports 10-year warranty replacement


1-5 Aperture Size
Controls the size of the aperture from 1 to 5 stop and how much light can pass through the camera lens for exceptional versatility
 
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