K&F CONCEPT 77mm Black Diffusion & Variable ND 1-4 in-1 Filter
Multifunction camera lens filter combining black diffusion and variable ND (1–5 stops) for cinematic effects. Frame-self locked design reduces X pattern on wide-angle lenses; high-quality optical glass for sharp images
Highlights
- diffusion & ND in one filter
- no X-cross with wide-angle use
- frame-self locked, smooth installation
Pros
- dual-function diffusion and variable ND
- 1-5 stop light control
- no X-cross artifacts on images
- frame-self locked technology for smooth installation
- high-quality optical glass with double side polishing
Cons
- no customer insights provided
- no explicit compatibility beyond 77mm thread
Best For
Features
- Black Diffusion & Variable ND in 1One filter both with the variable ND & black diffusion 1/4 effect filter features
- it not only can control the amount of light entering the lens via adjusting (1-5 stops ) but also creates a cinematic dream effect for photos and video.
- No "X" Cross in ImagesNo "X" cross on images
- K&F Concept utilizes frame-self locked technology to avoid this common issue on wide-angle lenses and variable ND filters. CNC-non slip frame helps install and remove the filter smoothly.
- Import AGC Optical GlassMade by the professional optical glass
- provides a standard transmittance. Double side polishing technology ensures images quality and sharpness even on a wide-angle lens.
- 18 Multi-Layer CoatingsThis multifunctional filter with double sides multi-layer coatings effectively reduces reflection coming from the filter itself
- easily for cleaning.