The K&F ND 77mm ND2-400 B Series is a professional variable neutral density filter designed for photographers and videographers using lenses with a 77mm filter thread. Featuring an adjustable ND2–ND400 (1–9 stops) light reduction range, it enables precise exposure control for long-exposure photography, portrait photography, and cinematic video recording in bright outdoor environments.
Constructed from premium optical glass with a slim aluminum alloy frame and multi-coated surfaces, the filter maintains excellent image quality while reducing reflections and allowing smooth exposure adjustment.
K&F ND 77mm ND2-400 B Series Price in Kenya
Product
Price
K&F ND 77mm ND2-400 B Series
KSh 2,500
K&F ND 77mm ND2-400 B Series Key Specifications
Feature
Details
Filter Type
Variable Neutral Density (ND)
Filter Size
77mm
Light Reduction
ND2–ND400 (1–9 Stops)
Material
Optical Glass
Frame Material
Aluminum Alloy
Coating
Multi-Coated
Filter Design
Slim Profile
Filter Thickness
7mm
Compatibility
77mm Camera Lenses
Warranty
1 Year
K&F ND 77mm ND2-400 B Series Key Features
Variable ND2–ND400 light reduction
Adjustable 1–9 stop exposure control
Premium optical glass construction
Multi-coated surface reduces reflections
Slim aluminum alloy frame
Smooth rotating adjustment ring
Enables slower shutter speeds in daylight
Allows wider apertures for shallow depth of field
Easy installation and removal
Compatible with all 77mm threaded camera lenses
K&F ND 77mm ND2-400 B Series Performance
Enables long-exposure photography in bright daylight
Produces smooth motion blur for waterfalls, rivers, and moving clouds
Helps maintain cinematic shutter speeds for video recording
Preserves image sharpness with minimal color shift
Adjustable density provides flexible exposure control
Wider outer optic helps reduce vignetting on wide-angle lenses
K&F ND 77mm ND2-400 B Series Build Quality & Design
Premium optical glass construction
Durable aluminum alloy filter ring
Slim 7mm profile minimizes vignetting
Smooth precision-machined rotating ring
Multi-coated glass improves image clarity
Lightweight and travel-friendly design
K&F ND 77mm ND2-400 B Series Compatibility
Fits all lenses with a 77mm filter thread
Compatible with DSLR cameras
Supports mirrorless cameras
Works with camcorders
Suitable for professional photography and videography
Front threads support compatible lens caps and accessories
K&F ND 77mm ND2-400 B Series Ideal Use Cases
Landscape photography
Waterfall photography
Long-exposure photography
Portrait photography
Outdoor photography
Travel photography
Video production
Content creation
K&F ND 77mm ND2-400 B Series Pros and Cons
Pros
Cons
Adjustable ND2–ND400 light reduction
Only fits 77mm lenses
Excellent value for money
Variable ND filters may show an "X" pattern at maximum density
Premium optical glass
Not ideal at the highest density on ultra-wide lenses
What is the adjustment range of this filter? It offers ND2–ND400, providing approximately 1 to 9 stops of adjustable light reduction.
What is this filter used for? It reduces the amount of light entering the lens, allowing slower shutter speeds and wider apertures in bright lighting conditions.
Will it affect image quality? No. The premium optical glass and multi-coated design help maintain sharpness and natural color reproduction.
Which lenses are compatible? It fits any camera lens with a 77mm filter thread.
Is it suitable for video recording? Yes. It is ideal for maintaining cinematic shutter speeds and consistent exposure while filming outdoors.
K&F ND 77mm ND2-400 B Series Conclusion
The K&F ND 77mm ND2-400 B Series is an excellent choice for photographers and videographers looking for affordable, adjustable exposure control. Its ND2–ND400 variable density, premium optical glass, slim aluminum frame, and smooth rotating adjustment ring make it ideal for landscapes, portraits, long-exposure photography, and video production. At KSh 2,500, it offers outstanding value for enthusiasts and content creators seeking professional-quality results.