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K&F XB41 77mm Variable ND&CPL Filter 2 in 1 Function Nano Coating No “X” cross

$99.99 $82.99
Free shipping to eligible country
KF01.1087
  • Brand: K&F Concept
  • K&F XB41 77mm Variable ND&CPL Filter 2 in 1 Function Nano Coating No “X” cross 【ND & CPL filter 2 in 1】One filter has both of CPL and varaible ND filter function,save your time to replace two filters; it can not only reduce the amount of ligh
  • KF01.1087
  • Availability: In Stock
  • 82.99
Buy 2+ items get 10% off !
K&F XB41 77mm Variable ND&CPL Filter 2 in 1 Function Nano Coating No “X” cross
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Features
  • • 【ND & CPL filter 2 in 1】One filter has both of CPL and varaible ND filter function,save your time to replace two filters; it can not only reduce the amount of light entering the lens but also darken skies, manage reflections at the same time.
  • • 【No “X” cross on images】Say goodbye to the "X" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters.
  • • 【Material】Made by completed professional optical glasses, Multi-layer coating, only allows 0.7% light transmittance and waterproof, scratch-resistant, which could protect your valued lens.
  • • 【Filter Frames】Filter Frames made by aluminum alloy, the serrated design of the edge of the frame makes it easy to install. There is 5 mark from Min to ND32 on frame, It is convenient for you to sure the ND filter stops.
  • • 【Note】 Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a "ø" (diameter) symbol.
5 Stops Variable ND And CPL Filter
ND2
ND4
ND8
ND16
ND32
Variable ND And
CPL Filter
Without ND Filter
With ND Filter

Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky
smooth affect to flowing water.

ND&CPL Filter
ND Filter
CPL Filter
No Filter
ND2
ND4
ND8
ND16
ND32
Double-sided Multilayer Green Film
Other
Waterproof, oil resistant, scratch resistant
Before
After
NDnumber Optical density f-stop reduction Fractional transmittance
  0 0 100%
ND2 0.3 1 50%
ND4 0.6 2 25%
ND8 0.9 3 12.50%
ND16 1.2 4 6.25%
ND32 1.50 5 3.13%
ND64 1.8 6 1.56%
ND100 2 623 1%
ND128 2.1 7 0.78%
ND256 2.4 8 0.39%
ND400 2.6 823 0.25%
ND512 2.7 9 0.20%
ND1024/ND1000 3 10 0.10%
ND2000 3.3 11 0.05%
ND4000 3.6 12 0.025%
ND8000 3.9 13 0.0125%
ND32000 4.5 15 0.003%
Overall Rating   4.6   
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18/03/2019
4
Decent concept
So here is my take. I'm a little on the fence. First and foremost the good. The good is "I mean what the heck is cooler than a filter that changes density with a switch" omg right. So when it comes to light control ability the options are endless with this filter because it's dark to everything in the middle. super cool right. well the bad. the petty first you can't add or remove your lens hood using it buuuut you don't really need it. I mean it is an ND filter. the bad though. the filter spins freely on the lens once it is tightened. So it makes it very hard to adjust the switch with one hand. I guess that's a matter of what you are shooting. If it's on a tripod no problem but free hand is going to be a bit of a challenge. It fits snug and comes with a nice carrying disk style case. It feels like you are getting a quality filter material wise. It is heavy duty so I would trust my lens to a small fall to it if need be. I think it would be more than awesome for a long exposure I cant wait to try it.
Decent concept
25/02/2020
5
Great quality!
 I have been using the 58 mm ND Filter from the same brand and now I purchased the new SIGMA 77mm ND and CPL 2 in one filter. I live in Los Angeles where it’s sunny all year round and this filter is needed and beneficial when filming outside especially when shooting a video.
19/02/2020
5
Good product
Nice product
30/01/2020
5
Best Value
Love the quality without breaking the bank.
14/01/2020
3
X-ring
I bought this for the good reviews, and people saying they don't see the x-ring, and while I didn't notice it taking long exposures 2-3 minutes with minimal to no light, I used it today taking shots of the snow on a waterway scene, using the polarizer along with the ND stopped down 3-5 stops, it was terrible. So not thrilled about it, given you can't eliminate the x any which way you turn the polarizer, it just rotates the light and dark areas to different areas of your frame. Maybe I got a bad one... For the price, I would think quality control would be a little better, if others aren't experiencing it.
Filter
size 77mm
Transmittance
Multi-Coating
Antireflection
waterproof
scratch-resistant
HD
Filter Material Optical glass
Pattern
Filter Thickness 9.3mm
Shape Circle
Ring Material Aviation aluminum alloy
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