49mm Variable ND3-ND1000 ND Filter (1.5-10 Stops) - 24 Multi-Layer Coatings

5 33 33 Review(s) KF01.1830
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C$43.99 C$48.99
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Brand: K&F Concept
  • Photographer's New Year Wishlist 2022.K&F ND3 to ND1000 Variable ND Filter For Video Kit Includes: K&F Concept Filter Kit (ND3 to ND1000) + Lens Cleaning Cloth
  • KF01.1830
  • SKU: KF01.1830
  • 43.99
Buy 99C$-15C$,199C$-35C$, 299C$-55C$, 599C$-130C$ (Prime Day)
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Features
  • * 【ND3-ND1000 Filter Function】Variable nd1000 is to reduce the amount of light passing through the lens or extend the shooting time when using a large aperture to shoot in places with strong light.
  • * 【Premium Material 】Made of high-quality Japanese optical glass, 360 degrees rotating between 1.5 to 10 stops, it can effectively reduce the reflection of the filter surface and avoid image defects.
  • * 【Multi-coatings】The double-sided multi-layer coating and polishing effectively minimize reflections from the filter self and resistance to water, mould, dirt, and scratches.
  • * 【Extremely Slim】The filter frame is only 7.4mm, super lightweight CNC-non slip frame helps install and remove the filter quickly and easily. Vignetting can be effectively avoided when taking wide-angle shots.
  • * 【Note】This size nd filter is compatible with all 49mm lenses. Please verify your camera's lens thread size before ordering. This number is always preceded by a "ø" (diameter) symbol.
Brand Story
K&F Concept Variable ND3-ND1000 ND Filter (1.5-10 Stops) Waterproof Neutral Density Filter with 24 Multi-Layer Coated
K&F Concept Variable ND3-ND1000 ND Filter (1.5-10 Stops) Waterproof Neutral Density Filter with 24 Multi-Layer Coated
ND-----------Extend Exposure Time.
Try an ND filter or neutral density filter. ND filter reduces the amount of light enter in the lens. This makes it more easier to achieve effects such as a shallower depth of field or blurred motion.
● This neutral density filter can be adjusted from ND3 to ND1000, easy to create different neutral density by rotating the ring.
● Allows the use of slow shutter speeds, with high speed films or digital cameras, to record movement/image blur in subjects.
● Decrease the depth of field by using wider apertures, which helps separate subjects from their background.
● The MIN denotes ND3 (1.5 f-stop) and the MAX denotes ND1000(10 f-stops),gives you full control over your content.
Note: The evenly spaced indexing marks between MIN and MAX do not represent calibrated stops. They are for reference only, to be used as a density benchmark to return to a previous setting.
Variable ND3-ND1000 ND Filter (1.5-10 Stops) with 24 Multi-Layer Coatings
24 Multi-Layer Coated
24 Multi-Layer Coated
Both side of the glass with waterproof coating , even the water pray on the filter also can cleaning it easily , doesn't left water marks on the glass.
1.5-10 Stops Variable
1.5-10 Stops Variable
Provide the variable stops from 1.5 to 10 stops, supporting more wider application scence and range.
Ultra Slim & CNC-Non Slip Frame
Ultra Slim & CNC-Non Slip Frame
Only 7.4mm frame, the surface is designed with a CNC trapezoidal pattern to ensure that the friction is increased over a large area when the user rotates.
Variable ND3-ND1000 ND Filter (1.5-10 Stops) with 24 Multi-Layer Coatings
Variable ND3-ND1000 ND Filter (1.5-10 Stops) with 24 Multi-Layer Coatings
Comparison
Rating 33 reviews. 65 reviews. 59 reviews. 127 reviews. 32 reviews. 35 reviews.
Price C$43.99 C$43.99 C$74.99 C$95.99 C$59.99 C$85.99
Model KF01.1830 KF01.1266 KF01.1458 KF01.1319 KF01.1447 KF01.1467
Product
0.4% 0.4% 0.2% 0.2% 0.2% 0.2%
Screen
Nano-D series Nano-D series Nano-X series Nano-X series Nano-X series Nano-X series
light source
0.45 to 3.0(1.5 to 10 Stops) 0.9 to 3.0(3 to 11 Stops) 0.3 to 2.7(1 to 9 Stops) 0.3 to 1.5(1 to 5 Stops) 0.9 to 2.1(3 to 7 Stops) 1.5 to 2.7(5 to 9 Stops)
HD
size
49mm 49mm 49mm
Transmittance
Pattern
Ring Material
Aviation aluminum alloy Aviation aluminum alloy Aviation aluminum alloy
Reviews (33)
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5
Solid variable ND filter
I ordered this to use with my favorite walkabout lens, in an effort to get myself back in the habit of taking photowalks on a more regular basis. I had to stop because of my mobility issues, and it's taken me years to get back to a point where I might be able to manage a slow 20-minute walk on less-than-smooth ground, but it's time.

The filter size is accurate and it screws easily into my lens. The coatings are smooth, with no ripples, bubbles, or uneven appearance at any point in the rotation. The ring rotates easily and smoothly, and it's easy to see the glass visibly darken as it's rotated.

The photos come out crisp and clean, without the haze that's often attributable to unpolarized light, and unlike with some lower-quality ND filters, without any hint of a moiré pattern.
29/03/2023
5
Produced Consistent Results
The filter is thick but it is also larger than 67mm so the effective area is less affected by the thickness. I used Fuji 18-135mm lens to test this filter. When I set the focal length to 18mm (27mm Full frame equivalent) , I did not notice any vignette caused by this filter. Another test I did was set fixed aperture and shutter speed. Only thing that would vary was ISO. I then turned the filter to each ND level on the mark. I could clearly see the ISO keep moving up as the ND index went higher. When I compared the JPG results, I notched not much difference among those shots in term of brightness, color, or sharpness. So I would say that the filter is consistent within its intended stops. With these results, I would give this filter a go. With such a small package for 10 stops of ND, I definitely will throw it into my bag in travel.
Produced Consistent Results Produced Consistent Results Produced Consistent Results Produced Consistent Results
29/03/2023
5
Simply outstanding performance....especially at the value price!
I have come to rely on K&F for a number of filter types for my many lenses. They are well made with quality glass and I have yet to find any real faults or negatives in these great value filters. You would have to pay a TON more for filters that are only slightly better than these!

This variable ND3 to ND1000 filter provides highly capable ND correction from 1.5 to 10 f/stops. It is a 67 mm filter that is widely used...especially for the majority of Tamron lenses as well as a plethora of Sigma, Sony and Canons as well, which makes this filter an even better bargain.

The variable range is done simply by rotating the front dial of the filter until just the right ND level is found in the viewfinder. The filter features 24 multi-layer coatings to provide the clearest and distortion-free optics, using Japanese glass (Excellent) and precise CNC machining.

I can honestly say that this variable ND filter is almost as good as filters that cost as much as five times more. Construction is very good and the filters mount to appropriate lenses without drag, rubbing or other issues. Simple operation and fantastic results!

All in all, and especially at the value price, this set earns an easy FIVE STARS with me, and I can honestly and heartily recommend the set for your appropriate lenses.
28/03/2023
5
Nice Variable Neutral Density Filter
I have wanted a ND filter for some time, and a variable ND is just the right thing! Using a ND filter allows you to take much longer exposures while keeping the aperture wider open particularly during daylight hours, all while maintaining a NEUTRAL color effect on the picture. I got the 77mm as that fits both my 24-70 and 70-200 lenses, and I can adapt it down to fit a couple other medium range zooms I have.

I really like that the inner ring has textured grooves which greatly simplifies tightening and removing the filter from your lens. Turning the outer ring is firm, but not overly stiff, yet tight enough to stay where you put it without easily turning.

RECOMMENDED
Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter Nice Variable Neutral Density Filter
28/03/2023
5
Can I Add a CPL to this VND filter?
Spoiler Alert: My ratings mean nothing. I haven't bought this filter yet. However, I see the question in my headline both in the Questions about the product and in several users below who ding the product because it uses two polarizers or the filter doesn't work with a CPL. The answer to the question above is misleading and those reviews below aren't fair. Above, the seller says you could add a CPL filter to this VND filter, (true) but, based on what I've read, the results of doing will be very unreliable. Here's why: all VND filters work using two polarizing elements. (Don't complain when your VND has two elements.) One element is a linear polarizer and one is circular. As you turn one, the filter darkens or lightens. Now imagine stacking a CPL filter on top of a VND filter. This really creates three polarizing filters - a linear polarizer, a circular polarizer, and another circular polarizer. That's a lot of polarization for a photographer to keep track of, especially if your VND filter is dialed down so you can't clearly see the shot, which happens with ND filters. Let's pretend you wanted to shoot waterfalls with a VND filter and a CPL filter stacked on top of it. Imagine creating this shot given what I've told you. I couldn't do it reliably. (I might get lucky.) So, if I wanted to shot an image that required both a ND filter and a CPL filter, I'd probably get much better results with both a standard ND filter, which removes the polarization, and a CPL. I hope this helps potential buyers of this item. I'm asking for this filter as a birthday gift. So I'm not a buyer yet, but I hope my wife will be.
28/03/2023
5
Challenges to Using
Challenge number 1) The K&F Concept 77 mm Variable ND filters I purchased arrived later than promised and I was not able to use it for my 9 day photoshoot. Challenge number 2) It fits on my camera lens but needs time and patience to attach to the lens but it does fit. Challenge number 3) No positive stops, no detents to let you know how far you've gone (my ND filter 1.5-10 stops). In addition, if you are invested in using your lens hood while shooting, it won't fit with these ND filters.

I'll be using the ND filters on my next photoshoot and will submit an update to my review.
28/03/2023
5
Very nice to have on hand
This is my first variable ND filter and Im very happy with it. I got the 77mm version because its a very common size and I already have three lenses that it could fit. Plus with adapters, I can get my smaller lenses to work as well.
The filter. Overall its great. Metal construction with a very smooth ring.
The stops are marked on the ring and the overall construction is very good.
Again this is my first variable ND and so far I'm enjoying it very much.
Price is affordable too.
Very nice to have on hand Very nice to have on hand
27/03/2023
5
Great value VND filter!
I'm becoming a fan of K&F Concept filters. This is my third filter from them and so far I've been extremely impressed with the glass.

CONSTRUCTION
The filter attaches to my lens smoothly and comes off without binding. The frame is machined very well with a semi-rough coating that makes for a secure and confident grip on the filter while adjusting it. Adjustment is very smooth with quite a bit of resistance and won't change if you happen to brush up against it. You can gauge the VND effect with markings on the edge that range from "MIN" to "MAX" with a series of square dots that gradually increase in height.

VND filters tend to be thicker and can cause vignetting with shorter focal lengths. K&F's solution to this is to make the filter slightly larger than the lens diameter (about 71mm on the 67mm filter I'm reviewing). This works great to prevent vignetting but it means that you can't use your existing lens cap. Using a lens hood is theoretically possible but the larger size means it'll be very difficult to set up even if it fits.

I have another K&F filter set that came with really nice machined caps. With the larger front ring diameter that doesn't fit your lens cap that would have been a great add.

TESTING

This filter is specified to produce 1.5 to 10 stops of light reduction. I measured approximately 1 1/3 to 12 stops of light reduction with no visual artifacts such as the dreaded "X" effect you get with some VND filters. The filter imparted a slight warm cast (~300K) that remained consistent throughout the range getting slightly warmer only at maximum.

K&F state that the filter markings are not calibrated. I measured the effect under relatively controlled conditions and found that the VND effect isn't linear but instead starts off slowly but increases much faster as you approach max. Because of this adjustments at higher strengths can be quite tricky.

I would have really appreciated calibrated markings to make adjustment easier, but since it doesn't have this feature I measured the approximate strength and made a chart.

MIN
Solid 1-4 = 1 1/3, 5-6 = 1 2/3, 7-8 = 2, 9-10 = 3, 11 = 4
Hollow 1 = 5, 2 = 7, 3 = 12
MAX

You can ignore the Min and Max markings since they don't produce any meaningful changes.

SUMMARY

With this filter you're getting great neutral glass that's comparable to much higher-end products at a much lower price point. Even with minor negatives it's a fantastic all around value. Highly recommended.

PROS
Minimal color cast (+300K)
Adjustable from ND3 to ND1000 (1.5 to 10 stops)
Multilayer coatings for glare reduction, resistance to skin oils and easy cleaning
Does not vignette
Graduated markings from 'min to max'
Threaded front ring

CONS
Filter is larger than the lens diameter
You can't use your lens cap or lens hood
Markings are not calibrated
VND effect is decidedly non-linear and tricky to adjust at higher strengths
Great value VND filter! Great value VND filter! Great value VND filter! Great value VND filter!
27/03/2023
5
Should include a sand bag for kore support
Good for home projects
27/03/2023
5
Good quality and no X
As others have stated, when used correctly this filter does not produce the dreaded X. Nor does it have any color cast that I can see. The quality of construction is very good, and the ring rotates smoothly without being too tight or too loose. Quality product. Glad to have it.
26/03/2023
FAQs
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A
Hi, we foun the canon Ef 24-105 mm lens size is 77mm, please reconfirm it, the number beside "ø" (diameter) symbol is the lens size, if the number is 77, just order 77mm filter, thanks. 
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A
Hi, the lens cap need larger than filter, the 52mm variable nd3-1000 filter need 55mm lens cap, thanks. 
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A
Hi, we checked the Sony e35 1.8 lens, the size is 49mm, just order the 49mm size filter, thanks. 
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A
The lens hood size need larger one size than this filter, the 55mm nd3-nd1000 filter, need 58mm lens hood, thanks. 
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A
Hi, for this nd3-nd1000 filter ,the lens hood size need larger one size than filter , 62mm variable nd filter need 67mm lens hood,thanks. 
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Specification
Gimbal Stabilizers
Product 0.4%
Filter
Resolution Light reduction effect
zoom range Video Shooting/Landscape Photograhy
Screen Nano-D series
light source 0.45 to 3.0(1.5 to 10 Stops)
Filter Material Japanese AGC Glass
Multi-Coating 24 layers
waterproof
scratch-resistant /
HD
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