XN21 72mm ND8 (3 Stop) ND Lens Filter HD Fixed Neutral Density Filter, Ultra Slim Frame Import Optical Glass Nano-X Series for Camera Lens

5 2 2 Review(s) KF01.1513
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Brand: K&F Concept
  • ND filters restrict light entering a camera lens, measured by stops of light called f-stops.
  • KF01.1513
  • SKU: KF01.1513
  • 37.99
New Year Sale: 99$-15$,199$-35$, 299$-55$, 599$-130$
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Description
  • * 【Information 】The transmittance of K&F Concept ND8 Filter is 12.5%, dimming factor is 0.9, has 3 stops, ultra slim only 3.3mm ND filter means there is no vignetting even in wide-angle lens and telephoto lens.
  • * 【Function】The main purpose of ND filter is to avoid overexposure, can use slow shutter to shooting under strong light , ND8 Filter not only can resist too much light but also can protect the lens, hydrophobic and dust-proof.
  • * 【3 Stop】ND8 Filter provides a fixed 3 f-stop light reduction, which allows long exposure and motion blur techniques, perfect for landscape photography and cinematic effects in videography.
  • * 【Top Material 】This ND8 filter made by import AGC Japanese optical glass, double side 28 multi-layer coatings, effectively reducing the reflections came from filter itself, provids first class image quality. Filter frame made by aviation aluminum with CNC non-slip design,easily for install and down.
  • * 【Nanotec】The ND8 filter with double side polishing technology , balancing the light well to ensure the images sharpness, both side with multi-layer coatings, easy for cleaning and carrying.

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$37.99
Shipping
Free shipping to eligible country
Sale
New Year Sale: 99$-15$,199$-35$, 299$-55$, 599$-130$
Secure Transaction

Multiple payment options:

Quality Guarantee

Kentfaith items enjoy [Quality Guarantee]. If the item you purchased has quality issues or problems caused by non-users and enjoys "Quality Guarantee", Kentfaith will provide comprehensive after-sales service.

No Reason Return

In order to improve your shopping experience at Kentfaith, the items you purchased (which doesn't apply to giveaways) can be returned for a refund for no reason (such as dislike, wrong purchase, and other non-product quality issues).

Brand Story
K&F Concept 82mm ND8 ND Lens Filter
K&F Concept Neutral Density ND8 (3-Stop Fixed Neutral Density Filter) Filter , HD/Waterproof /Scratch Resistant with 28 Coatings
• K&F Concept fixed neutral density ND8 filter provides a fixed 3 f-stop light reduction, which allows long exposure and motion blur techniques in brighter light.
• First class Japanese AGC optical glass with 28 multi-layer Nanometer-coatings provides superb anti-reflection , scratch resistant and waterproof capabilities.
• The K&F Concept ND8 filter support use in landscape and sports photography, will not change the original color of objects,can truly reproduce the original scene.
K&F Concept 82mm ND8 ND Lens Filter
No Vignetting
No Vignetting
Total filter thicken only 3.3mm, ultra slim, avoiding vignetting even in wide-angle and telephoto lens, presenting perfect images.
Super Slim with CNC Non-Slip Frame
Super Slim with CNC Non-Slip Frame
The ND8 filter only 0.13'' close to a coin thicken, filter frame with CNC Non-slip design and oxidation sandblasting can prevent stray light enter in your lens.
Double Side Coatings
Double Side Coatings
Both side of K&F Concept ND8 filter with 28 multi-layer hydrophobic and scratch resistant coating, easily for cleaning and carrying , durable.
K&F Concept 82mm ND8 ND Lens Filter
Comparison
Rating 2 reviews. 0 reviews. 1 reviews. 33 reviews. 29 reviews. 0 reviews.
Price $37.99 $62.99 $37.99 $37.99 $53.99 $73.99
Model KF01.1513 SKU.1724 KF01.1553 KF01.1005 KF01.1062 KF01.1852
Reflectivity
0.2% 0.2% 0.2% 0.2% 0.2%
Size
72mm 72mm
Series
Nano-X series Nano-X series Nano-X series Nano-X series Nano-X series Nano-X series
Recommended Scenes
Video Shooting/Landscape&Potrait Photography Video Shooting/Landscape Photography Video Shooting/Landscape& Potrait Photography Landscape Photography Video Shooting/Landscape Photography Video Shooting/Landscape Photography
Function
Light reduction effect 1 Second Switch/Light reduction effect Light reduction effect Light reduction effect No X cross/Light reduction effect 1 Second Switch/No X cross/Light reduction effect
Stops
0.9(3 Stops) 1.8(6 Stops) 3.0(10 Stops) 0.3 to 1.5(1 to 5 Stops) 0.3 to 1.5(1 to 5 Stops)
Filter Material
Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass
Multi-Coating
28 layers 28 layers 28 layers 28 layers 28 layers 28 layers
Waterproof
scratch-resistant
HD
Transmittance
0.125 0.001
Antireflection
Filter Thickness
3.3mm 7.3mm
Ring Material
Aviation aluminum alloy Aviation aluminum alloy
Reviews (2)
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5
I have a Canon 85mm f/1.4 that you can't always shoot full open on sunny days without overexposing the image. Having an ND8 filter to knock down the incoming light 3 stops is pretty much perfect to allow you to open up to your widest aperture and shoot.

On my picture above, you can see that the glass for this is pretty good. Ignore the focus (as the left photo was shot as f/1.4, the right at f/4), on my other pictures I cannot tell a difference in image clarity, even when pixel peeping. The two images were shot at 3-stops difference using my aperture and you can see the overall brightness is about the same (keep in mind the f/1.4 vignettes a bit due to my lens)-- so this is a true, ND8 filter. There is some minor color cast, but it's very minimal and Photoshop is happy to auto adjust that out anyways when you start editing your images.

This filter comes in a nice case and the filter is low profile (good new for wide angle lenses) with threads on the front of it if you need to stack another filter.

If this review ended here, I would give it 5 stars. Unfortunately the threads for attaching this filter to your lens are warped or poorly cut. I spent a good 2 minutes each time fiddling with it (spinning it backwards until it seemed like it dropped in, then tightening it, etc.) and it kept trying to cross thread. Once I thought I did have it lined up, it was rather stiff to turn and I don't know that I even got a full rotation out of it. I thought maybe I was just terrible at threading on filters, so I grabbed my B+W filter (brass threads)-- 5 seconds, straight on, tightened all the way, no problem. So I grabbed my Hoya filter (aluminum threads)-- 5 seconds, straight on, threaded all the way, no problem. The problem was not me or my lens, it's this filter.

Maybe 2 stars is a bit harsh, but when you're attaching this to the front of a $2K lens, the last thing you want to worry about it cross threading this , damaging your lens, or worrying about it coming off because it doesn't have full thread engagement. The glass on this filter is top notch, however I wish they would have taken the same care and produced threads with similar quality.
14/06/2021
5
As a photographer, I try really hard to make sure I’m only using gear that is reliable. K&F has done a great job of being a reliable company for budget-friendly camera gear. I have some of their other pieces of equipment and I continue to be impressed by both their dedication to superior build quality and attention to detail in their products. I found that the filter screwed right onto my lens without any issues and I was also able to remove it without any problems. Unfortunately, I wasn't able to capture a long-exposure because I don't live near any waterfalls and at the time when I got this filter, the weather really wasn't cooperating with me much. I did, however, hold the filter up to the lens without screwing it onto the lens so that I could see the difference between the image with the filter and without. With this type of test, you can clearly see a correctly exposed image and one that is darkened quite a bit with showing only the ‘hot’ spots of light in the photo. I did take a few shots with the filter installed and I noticed that there was no edge vignetting issues and because the glass is high-quality, I didn’t notice any ghosting either. All in all, this is a really nice option for a budget-friendly ND lens filter.
10/06/2021
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How to check your lens size
Specification
Gimbal Stabilizers
Reflectivity 0.2%
Filter
Size
Series Nano-X series
Recommended Scenes Video Shooting/Landscape&Potrait Photography
Function Light reduction effect
Stops 0.9(3 Stops)
Filter Material Japanese AGC Glass
Multi-Coating 28 layers
Waterproof
scratch-resistant
HD
Transmittance
Antireflection
Filter Thickness
Shape
Ring Material
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