K&F Concept Square Filter Holder + ND8 + ND64 + ND1000 + Round CPL Kit, with Adapter Rings 67mm 72mm 77mm 82mm (X-PRO Series)

4.9 151 151 Review(s) SKU.1877
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Brand: K&F Concept
  • K&F Concept Pro Square Filter System won the iF DESIGN AWARD and Red Dot Design Award. Filter holder can holder both cpl and nd1000 filters. ultra slim frame and large diameter ensures no vignetting on wide-angle lens, rear cpl design for convenient i
  • SKU.1877
  • SKU: SKU.1877
  • 324.99
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Buy 2 Save 15%
Buy 3 Save 18%
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Features
  • * 【Winner of IF DESIGN AWARD 2021】Unique Square Filter Frame with95MM CPL, easy to take, no light leakage; The rear CPL perfectly solves the problem of filter stacking and removal. After removing the CPL, the cover can be closed to prevent light leakage.
  • * 【Large-diameter Square Filter Frame】the bracket thickness is 12mm; 91mm large light aperture effectively reduces the chance of vignetting when using an ultra-wide-angle lens. The square filter kit can install 2 square filters and 95mm CPL round filters at a time.
  • * 【Filter includes】Square Filter holder, Square ND8/ND64/ND1000, round 95mm polarizing, filter storage bag, 67, 72, 77, 82mm filter adapters.
  • * 【HD optical glass with multi-coating】 ND filters use imported optical glass, 28-layer nano-coating technology; double-sided polishing process, showing high-definition picture quality, waterproof, anti-scratch and anti-greasy.
  • * 【Filter Functions】ND enables you to control the depth of field and convey movement more easily; CPL can remove glare from non-metallic surfaces.
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Comparison
Rating 151 reviews. 151 reviews. 123 reviews. 86 reviews. 76 reviews.
Price C$324.99 C$699.00 C$350.99 C$199.99 C$299.99 C$189.99 C$137.99
Model SKU.1877 SKU.1808 SKU.1878 SKU.1601 SKU.1600
size
/ / / 100mm/150mm
Resolution
Light Reduction Effect/Remove Glare Light Reduction Effect/Remove Glare Light Reduction Effect/Remove Glare Light Reduction Effect Light Reduction Effect
zoom range
Landscape Photography Landscape Photography Landscape Photography Landscape Photography Landscape Photography
Screen
X-PRO series X-PRO series X-PRO series X-series X-series
Filter Material
Japanese AGC Glass Japanese AGC Glass Japanese AGC Glass Optical glass Japanese AGC Glass
Multi-Coating
36 36 36 28 28 layers
waterproof
scratch-resistant
HD
Reviews (151)
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5
Really well designed
For a while I had hesitated between several brands to choose a filter holder for ND and GND filters. I used a flash sale to purchase this kit. I'm not disappointed.
The set is sturdy and easy to store.
The rather pretty body has 5 compartments, 3 of which are raised via a ribbon for square ND filters. There is a belt loop and a belt loop on the back of the case. I would have liked a slightly roomier compartment to house the adapter rings with the CPL filter when that is removed.
The assembly (or disassembly) of the elements is well explained with instructions in several languages, including French.

Main positive points:
No dominant color, no loss of sharpness in the first tests performed.
The plastic frame with its tabs for handling ND filters.
The system for installing the SPS filter on the filter holder.
the knurled knob for mounting the adapter ring and rotating locks the filter holder.
The easily accessible wheel for controlling the polarizing filter.
The stable hold of the square filter on the filter holder.
The robustness of the metal filter holder.

If you must find some negative points: hold
the square filter in the filter holder a little too tightly.
The click is too loud to lock the CPL filter in the filter holder.
No bag to independently protect the CPL filter in the housing.
No protective cover for the CPL when the set is installed on the lens.
Really well designed Really well designed Really well designed Really well designed Really well designed Really well designed
29/07/2025
5
Super filter assembly or filter change
The system with the CPL filter assembly beats everything I have used so far. Putting on the bracket is also easy to do. The quality of the filters themselves leaves nothing to be desired. This is how filter photography is just fun!
Super filter assembly or filter change Super filter assembly or filter change Super filter assembly or filter change Super filter assembly or filter change Super filter assembly or filter change Super filter assembly or filter change Super filter assembly or filter change Super filter assembly or filter change Super filter assembly or filter change
21/07/2025
5
Good!!
Very high quality ND1000 K&F Concept square filter set consisting of glass filter, filter holder and lens adapters for the filter holder.

The package is divided into 3 parts:
1. a bag with metal adapter rings for lenses with different diameters.
2. a box with the filter and its leather carrying case.
3. a box with the filter holder.

The adapter rings allow us to put the filter holder on any lens, since we have a large number of different diameters. They are made of black metal and well made. With inscription on each ring of the corresponding diameter.

It is a square filter ND1000 100x100 mm and 2 mm thick. It allows us to remove 10 light levels to make long exposures in daylight perfect. In the example photo I posted, it is taken at noon at 30 ". I love the play that can be taken from this filter.

The filter comes in a leather case and is covered with tissue paper. The case is sturdy enough to protect it properly.
The glass is not easily marked by fingers and does not attract dust.

The filter holder is metallic, with the part where the filters rest being made of some kind of very hard plastic. They easily fit two 100x100 filters
Good!! Good!! Good!! Good!!
09/07/2025
5
Super PRO Filter System by K&F
After many reviews that I looked at on Youtube, I decided on the new K&F filter holder and have not regretted it so far. It is easy to use and makes a very high-quality impression. The use of the CPL filter is a great solution. Lever up, put it in and lever down again, done. Adjusting the wheel is also buttery smooth. In contrast to the first K&F filter holder, the filters, which now have a frame, can now be pushed in very easily. Not too easy and not too heavy either. A clear buy recommendation.
Super PRO Filter System by K&F Super PRO Filter System by K&F Super PRO Filter System by K&F Super PRO Filter System by K&F
07/07/2025
5
Great set of filters for those who cant or dont ...
Great set of filters for those who cant or dont want to get Lee filters. No colour cast but i would recommend getting some nice pouches to protect them
 Great set of filters for those who cant or dont ...
01/07/2025
5
Very simple bracket
The buckle holder of the adapter ring is very stable. It is great!
24/05/2025
5
ND1000 filter + holder. OPTIMAL!!
High quality materials, reasonable prices! ! The holder and the filter are contained in two well-preserved and padded boxes. The ring and bracket are made of aluminum. Really nice box! I installed it on my Nikon 5600 with no problems. I will definitely buy more ND filters in the future
21/05/2025
5
Very good finish
It attaches easily and does not allow direct light to enter between support and lens, I am delighted with it, very easy to put on and remove and the filters are of very good quality.
I recommend it for people who are demanding in photography, very good quality.
21/05/2025
5
top quality
very good quality. I'm happy.
21/05/2025
4
Very satisfied
Very satisfied
Very easy to use system. The picture quality is really good as far as I can tell. The polarizing filter works very well. Thanks to the adapter, the filter can be used on any lens. Have never regretted the purchase.
Very satisfied Very satisfied
20/05/2025
FAQs
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A
The adaptor rings that attach directly to your lens are metal. The filter holder that attaches to the adaptor ring is metal. The frame around the CPL is metal. The detachable frames around the square filters are molded plastic. 
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A
This is possible if you don't have a suitable adapter ring. However, caution is advised when reducing larger lens diameters because of possible vignetting. 
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A
Unfortunately, only 100 mm wide filters made of glass or plastic with a thickness of 2 mm fit into the holder. I use ND filters 100 x 100 mm and graduated filters 100 x 150 mm. 
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A
If you don't mind you have a suitable adapter ring. Imidlertid is affixed to be forsiktig når thou reduserer disturbance linsediametre on green of possible vignettering. 
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A
Desverre passer bare 100 mm brede filtre layer of glass or plastic with a tykkelse on 2 mm inside the holder. Any bridge ND filter 100 x 100 mm and graded filter 100 x 150 mm. 
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Video
A Brand New Pro filter system 7-IN-1 Suit from K&FConcept
K&F Concept 100mm square filter system instructions by David CJ
Do you know what process your filters have gone through? let's take a look
Specification
Filter
size /
Resolution Light Reduction Effect/Remove Glare
zoom range Landscape Photography
Screen X-PRO series
Filter Material Japanese AGC Glass
Multi-Coating 36
waterproof
scratch-resistant
HD
Transmittance
Antireflection
Pattern
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