【Self-Lock Frame, No 'X’ cross】Say goodbye to the "X" cross on images, K&F Concept utilizes cutting-edge technology to perfectly avoid the common "X" issue of variable nd filter on wide-angle and telephoto lenses.
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I recently had the pleasure of trying out the K&F Concept 72mm Variable ND Lens Filter, and I must say, I’m impressed! This filter is a game-changer for photographers like me who frequently switch between wide-angle and telephoto lenses.

One of the standout features of this filter is its Self-Lock Frame design. Gone are the days of dealing with the pesky ‘X’ cross on images, as K&F Concept has mastered the art of avoiding this common issue with variable ND filters.

The filter is made using imported AGC glass, a first-class material that ensures excellent color balance without any color cast. This results in clear and sharp images, which is a huge plus for me as a photographer.

Another feature I appreciate is the NANOTEC coating, developed by K&F Concept’s optical engineers. With a total of 28 layers, this coating provides waterproof, scratch-resistant, and anti-glare protection for my valued lens. The result? High-quality photos that truly capture the essence of my subjects.

I also love the ultra-slim frame design of this filter, which effectively eliminates vignetting even on wide-angle lenses (it supports 28mm focal length without vignetting). The CNC-non-slip design makes installing and removing the filter a breeze.

Just a quick note for fellow photographers This filter kit is compatible with all 72mm lenses. Remember to verify your camera’s lens thread size before ordering. Also, the lens cap/hood size should be 77mm for this specific filter.

Lastly, I want to mention that both new and old packages are sent randomly, so don’t worry if you receive a different package than what was advertised. The product itself remains top-notch, regardless of the packaging.

  • Imported AGC GlassVariable nd filter made by importing AGC glass, first-class filter material balancing the color batter, with no color cast and no effect for the image clarity and sharpness.
  • Self-Lock Frame, No ‘X crossSay goodbye to the “X” cross on images, K&F Concept utilizes cutting-edge technology to perfectly avoid the common “X” issue of variable nd filter on wide-angle and telephoto lenses.
  • NANOTECK&F Concept optical engineers developed multi-layer nanometer coatings (total of 28), waterproof, scratch-resistant, and anti-glaring, protecting the valued lens and presenting high-quality photos.
  • Ultra Slim Frame Avoid Vignetting7.4mm Ultra-slim frame design utmost avoid the wide-angle vignetting (support 28mm focal length no vignetting). CNC-non-slip design helps install and remove the filter easily.
  • NOTEThis filter kit is compatible with all 72mm lenses. Please verify your camera’s lens thread size before ordering. The number is always preceded by a “” (diameter) symbol. For the 72mm nd filter, the lens cap/hood size should be 77mm.
  • New and old packages are sent randomly

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