K&F Concept Hybrid 2in1 CPL Polarizing and ND2-ND32 Fader Gray Camera Filter 77mm

The K&F Concept Hybrid 2in1 CPL Polarizing and ND2-ND32 Fader Gray Camera Filter 77mm is a versatile optical accessory designed to combine two essential photographic filters into a single unit. Featuring a standard 77mm thread size, this hybrid filter integrates a circular polarizing filter (CPL) with a variable neutral density filter ranging from ND2 to ND32. It is engineered to give photographers and videographers precise control over unwanted surface reflections, glare, and overall light transmission through the camera lens without needing to swap individual filters.

Advantages

This 2-in-1 hybrid design significantly reduces the weight and volume of your camera kit by eliminating the requirement to carry separate polarizing and variable neutral density filters. The integrated CPL element effectively manages reflections from non-metallic surfaces such as water and glass while simultaneously enhancing color saturation and contrast in outdoor scenes. The adjustable ND2-ND32 fader allows smooth and rapid exposure control, making it easier to utilize wider apertures in bright daylight or to achieve motion blur in video recordings by slowing down shutter speeds. Constructed with quality optical glass, the filter maintains optical clarity while fitting securely onto any compatible 77mm camera lens thread.

Suitable for

• Landscape photography to reduce glare on water and foliage
• Outdoor videography requiring controlled shutter speeds in varying light
• Travel photography where minimizing equipment weight is essential
• Architecture photography to eliminate glass reflections and enhance sky contrast

When it may not be suitable

This filter may not be suitable for ultra-wide-angle lenses, as combining polarizing and variable ND layers can sometimes introduce the X-cross effect or vignetting at extreme focal lengths. It is also not designed for photographers who require fixed, highly specialized neutral density values without rotational adjustment mechanisms.

Key specifications

• 77mm thread size
• Hybrid 2-in-1 design combining CPL and ND2-ND32 fader
• Adjustable light reduction from 1 to 5 stops
• Circular polarizing function for reflection control

How to use

To use the filter, screw it carefully clockwise onto the front filter threads of a compatible 77mm camera lens until secure. Adjust the variable neutral density portion by rotating the outer ring to achieve the desired level of light reduction according to your exposure requirements. Rotate the independent polarizing ring to minimize reflections and enhance color saturation while observing the preview through the camera viewfinder or LCD screen.

What to consider before purchase

• Verify that your camera lens has a 77mm filter thread diameter before purchasing
• Check if your focal length is wide enough to risk potential cross-polarization artifacts
• Evaluate your typical lighting conditions to ensure an ND2 to ND32 range meets your exposure needs

For optimal results, avoid using this variable filter at its maximum density limit on wide-angle lenses to prevent uneven polarization patterns, and store it in a protective case when not in use.