【No “X” Cross on Image】Say goodbye to the "X" cross on images, K&F Concept utilizes cutting-edge technology you're going to say goodbye to variable ND filters common issue on wide-angle lenses.
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Recently, I had the opportunity to try out the K&F Concept 40.5mm ND4-64 (2-6 Stops) ND Lens Filter Variable & CPL Polarizers Filter from their Nano-X Series. This two-in-one filter is a game-changer for wide-angle lens photographers like myself who have struggled with the common issue of the ‘X’ cross on images caused by variable ND filters.

The first thing that struck me was the clarity of my shots. Gone are the days of dealing with unwanted glares from non-metallic surfaces, as the CPL filter effectively removes these distractions. Moreover, it enhances the color and contrast in my images, making them more vibrant and true to life.

The ND filter, on the other hand, provides a range of 2-6 stops of light reduction, making it suitable for both cloudy days and extremely bright ones. This versatility allows me to capture stunning landscapes without worrying about overexposure or under-exposure.

The quality of this filter is evident in its construction. Imported AGC optical glass, coupled with 28 multi-layer coatings, ensures minimal light transmittance (just 0.2%), making it waterproof and scratch-resistant. The lens cap/hood required for this filter is a 43mm size.

One of the standout features of this filter is its putter adjustable design frame. Made of aluminum alloy, the frame is CNC-machined to ensure precision and non-slip grips. The putter tool helps adjust the stop easily, with 5 stops ranging from Min(ND4) to Max (ND64). This feature ensures that I can quickly set the ND filter to the exact strength needed for my shots.

However, it’s essential to verify your camera’s lens thread size before ordering this filter. The number beside the ” symbol indicates the lens diameter. In conclusion, the K&F Concept 40.5mm ND filter has been a valuable addition to my photography equipment, offering crystal-clear shots and versatile light adjustment.

  • Variable ND & CPL filter 2 in 1One filter has the ND and CPL filter features, the nd filter provides 2-6 stops of light reduction needed, suitable for cloudy days and extremely bright days, the CPL filter can remove unwanted glares from a non-metallic surface, and enhance the color and contrast.
  • No X Cross on ImageSay goodbye to the “X” cross on images, K&F Concept utilizes cutting-edge technology you’re going to say goodbye to variable ND filters common issue on wide-angle lenses.
  • Imported AGC GlassMade by importing AGC optical glass, 28 multi-layer coatings, only allows 0.2% light transmittance, waterproof, and scratch-resistant, which could protect your valued lens. For this 40.5mm ND filter, the lens cap/hood should be 43mm.
  • Putter Adjustable Design FrameFilter frame is made of aluminum alloy, the CNC-Non-slip with a putter to help adjust the stop easily. There are 5 stops from Min(ND4) to Max (ND64) on the frame, convenient to be sure the ND filter stops.
  • NoteThis filter is compatible with all 40.5mm lenses. Please verify your camera’s lens thread size before ordering. The number beside the “” (diameter) symbol is the lens

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