About this item
- 【Import Optical Glass】This ND filter made by Japanese import top optical glass, both galss side with coating , total 32 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 16mm 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】This nd filter is compatible with all 77mm lenses. 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.
Product Description
K&F Concept Import Optical Glass HD/Waterproof/Scratch Resistant Variable ND2-ND400 (1-9 Stops) ND Lens Filter with Putter for Camera Lens
K&F Concept Variable ND2-ND400 Filter, a must-have in your camera bag!
The K&F Concept Variable ND filter operates on the same principle as a Circular Polarizer – rotate until you reach your desired effect and shoot. It allows you to have continuous control over the amount of light coming through your lens in an approximate range of 1 (ND 0.3) to 9 (ND 2.7) stops – while maintaining the integrity of your image.
Provides 1 to 9 stops of light control.
Ultra Slim – 7.6mm.
Unltra slim frame support no vignetting at 16mm focal length.
Comes in K&F Concept professional packaging with PU leather Case.
Made with Japanese import optical glass using K&F Concept Nanotec technology.
Note:
When using the ND filter to the maximum(ND400) or bigger degree density, it will appear "X" spot or a blur in the picture,this is a normal phenomenon.
(Suggestion: Lower down the density value gradually and reduce the aperture, until the facula disappeared.)
K&F Concept Variable ND2-ND400 ND Lens Filter
The K&F Concept Variable ND filter is a unique, versatile and flexible tool, affording you the convenience of using several different stop Neutral Density filters all in one. Primarily used as a photographic tool for controlling depth of field and exposure, the Variable ND is being sought in the video market for it's HD/Waterproof/Scratch Resistant and the exclusive putter design, providing a professional tool for photographers and amateur.
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Putter Adjustment DesignThe CNC non-slip design can help you install and take off the filter easily . |
Waterproof & Scratch ResistantWith waterproof and scratch resistant in both glass side , even the water spilled on glass can be easily wiped , eaily for cleaning and carrying, also with anti-fog function. |
32 Multi-layer CoatedEach glass both side was coated , total 32 layer coating , reducing the filter itself relection effectively and the glare because of long time exposure. |
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CNC Non-slip DesignThe CNC non-slip design can help you install and take off the filter easily . |
Oxidation sandblastingFilter frame has been oxidation sandblasting effectively avoiding stray light entering in lens, reducing the non-metallic surface reflection. |
Leather Carry CaseThis ND filter case made by PU leather ,side pull design can take out the filter conveniently. |
Q&A about the K&F Concept Variable ND2-ND400 ND Lens Filter
1. Does ND2-400 have color cast?
The color cast is a normal phenomenon in all of brand nd filter in market due to the nd filter need to use polarizing films to control the light, but the K&F Concept with mature manufacturing and refined coating technology nd filter reduced the color cast. The color cast value only 290K, lower than the market average 500k.
2. Does ND2-400 have dark corner or black X cross on image?
Test with Nikon Z 7 and Nikor 14-30mm Slinein on 14mm focal length vignetting is not obvious, 16mm has no vignetting. There is a slight black shadow on 1-5 stops while using the ultra-wide angle 24mm lens, the longer your lens focal length the dark X shadow will be smaller. But in the Max stop, there would be met X cross in images or lens ,it's normal physical phenomenon not the quality problem , can disappear it by rotating the filter stop.
3. Can the original lens cap be used om variable ND2-400?
In order to avoiding the dark corner , this nd2-nd400 filter designed as ultra-wide angle structure, so the front thread will be larger one size than the filter itself , so the lens cap need to use larger size , such as 77mm variable nd2-nd400 filter need 82mm lens cap.