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77mm Variable ND Filter ND2- ND400 High Definition Nano X Adjustable Fader Neutral Density Lens Filters(HD Nano-X version)

4.6 5 Review(s) KF01.1465
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£57.19 £133.19 57% OFF Inclusive of VAT
Variable ND Filter ND2- ND400
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  • Brand: K&F Concept
  • Buy K&F Concept 77mm variable nd filter nd2- nd400 high definition nano x adjustable fader neutral density lens filters(hd nano-x version) online, £57.19 free shipping to UK.
  • KF01.1465
  • SKU: KF01.1465
  • 57.19
  • • 【Import Optical Glass】This ND filter made by Japanese import top optical glass, both galss side with coating , total 39 multi-layer coating, effectivly reduced reflection from filter itself and glaring , ensuring high quality image.
  • • 【Putter Design】This filter frame designed a putter can help you accurately adjust the stop, for video shooting user can automatically adjust the stop via auxiliary tools, each stop from ND2 to ND400 be marked on frame conveniently for 360 degree rotated to adjust the stop, multi-scene application.
  • • 【Waterproof & Scratch Resistant】 Both glass sides of K&F Concpet ND filter with multi-layer waterproof , oil-proof and scratch resistant coating, protecting the nd filter from all round, suitable for adventure using.
  • • 【No Vignetting & Dark Corner】For the filter designed with ultra wide-angle design, the ultra slim frame only 7.6mm, supporting in 23mm telephoto and wide angle lens no vignetting , due to the different in lens type and focal length so this filter might be met dark"X" cross , this isn't quality problem , it can disappear via rotating the filter.
  • • 【Note】Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "ø" (diameter) symbol.
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Reviews (5)
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KF products have always been great value for money, but these latest generations have made an incredible leap in quality. I've been using a predecessor of this filter for years to shoot outdoor video. This one has surpassed it. Good construction, great presentation in these leatherette cases they now come with and perfect results.
The orange knob (the brand's trademark colour) makes it easy to change the intensity of the ND at any time.
A 10!
I was afraid that it would have problems as it is a variable ND with weird effects, and zero problems. Neither in the corners, nor at ND400, the truth is that a pleasant surprise for its price. It can have a little green tint, but with a correction of nothing in Premiere I have solved it, between 5 and 10 points in the tint tab towards magenta and ready. Highly recommended, it only needs to have a top like the ND2 and ND32 models that I usually use.

This is a great filter
KF products have always been great value for money, but these last few generations have made an incredible leap in quality. I have been using a predecessor of this filter to record video outdoors for years. This one has gotten over it. Good construction, magnificent presentation in these leatherette bags that now bring perfect results.
The point of genius is put by the orange control (the brand's seal color) that makes it easy for us to change the intensity of the ND at any time.
From 10!
Out of alignment
Decent enough piece of equipment but the ring that indicates how many stops of light are being blocked is out of alignment. At ND 400 (the maximum), you can still obtain more light blockage by pushing the ring further before it starts to go clear again. In other words the maximum measurement (and, therefore, all other measurements) are not correctly indicated.

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From 1-5 stops, there will be a slight X cross for lens under 24mm. An X cross will appear at the highest stop and can be removed by rotating the filter ring, which is a normal situation instead of a quality issue. 
Tested with Nikon Z 7 and Nikor 14-30mm Sline, dark corners are not obvious for 14mm and no dark corners for 16mm. 
As K&F Concept ND2-ND400 filters adjusts the amount of light that can pass through with polarizing glass, a colour cast can't be avoided for all the variable ND filters on the market. However, K&F Concept variable ND filters are made by the best coating technology, which reduces the effect of the polarizing film on image color. *Based on our professional test, the colour cast of K&F Concept ND2-ND400 filters is around 290k while the industry standard is 500k. 
To avoid dark corners, K&F Concept ND2-ND400 filters are designed in ultra-wide construction so the front side of the ND filter is one size larger than the camera lens. It is recommended to use a lens hood of a larger size. 
First, K&F Concept ND2-ND400 lens filter allows changing shutter speed based on the effect you want with the best sensibility and the same aperture. Second, K&F Concept ND2-ND400 lens filter allows creating a blurred background with a large aperture while the shutter speed remains the same. Third, K&F Concept ND2-ND400 lens filter is designed to prevent overexposure and maintain image purity and quality at the same time. *Like a zoom lens, the variable nd filters are suitable for multiple shooting situations. If you're looking for perfect image quality, a fixed ND filter is recommended. 
Comparison of similar products
Rating 5 reviews. 6 reviews. 2 reviews. 0 reviews. 57 reviews.
Price £133.19 £57.19 £32.99 £25.99 £99.99 £78.43 £31.45 £18.49 £72.99 £51.79
Model KF01.1465 KF01.1005 SKU.1621 SKU.1611 SKU.1596
Filter Material
Optical glass
Filter Thickness
Ring Material
Aviation aluminum alloy