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📸 Elevate your lens game—capture the glow that everyone’s chasing!
The K&F CONCEPT 77mm Black Diffusion 1/4 Filter is a professional-grade lens accessory designed to soften highlights and reduce glare, creating a smooth, pastel-like glow that enhances skin tones. Crafted with HD AGC optical glass and protected by an 18-layer nano-coating, it ensures true color reproduction and robust resistance against dust, water, and mildew. Its ultra-thin aircraft-grade aluminum frame prevents vignetting, delivering edge-to-edge sharpness. Perfect for photographers seeking flawless, cinematic portraits and dreamy landscapes.



| Asin | B0BPSC7NBS |
| Best Sellers Rank | 1 in Photography Effect Filters |
| Box Contents | * K&F CONCEPT is the world's No.1 brand in terms of lens filter online sales volume among camera-accessory-focused brands. (K&F CONCEPT is the world's No.1 photographic accessories brand in online sales volume of lens filters) Source: Euromonitor, 2024 data. |
| Brand Name | K&F CONCEPT |
| Coating Description | Nano Coating |
| Colour | Black |
| Compatible Devices | Cameras with 77mm lens thread size |
| Country Of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,737) 4.5 out of 5 stars |
| Enclosure Material | Optical Glass |
| Item Dimensions D X W X H | 3D x 3W x 3H millimetres |
| Item Dimensions L X W | 7.7L x 7.7W centimetres |
| Manufacturer | Shenzhen Zhuoer Photograph |
| Manufacturer Part Number | KF01.2141V1 |
| Media Type | Pictures |
| Model Number | KF01.2141V1 |
| Number Of Items | 4 |
| Photo Filter Effect Type | Diffusion |
| Photo Filter Factor | 2 x |
| Photo Filter Size | 77 Millimeters |
| Photo Filter Thread Size | 77 Millimetres |
| Screen Size | 77 Millimetres |
| Set Name | K-Series |
| Video Capture Resolution | 1080p |
| Water Resistance Level | Waterproof |
User
great for video
amazing effect. this is what I was looking for.
User
Very sharp for the price
Pretty damn sharp, even though it's as big as 67mm - including on my 250mm telephoto. Adds a very very subtle glow that I can play around with in photoshop. I like it - much MUCH more noticeable at night with lights like headlights and the such.
User
Glowy
Did the job, v glowy lights
User
An easy buying decision.
A very easy buying decision! Great product.
User
Perfect
This is made out of premium materials, the glass is extremely good quality, the threads are nice and smooth and the pro mist is perfect. It’s been thrown on and off lenses for a while now and it’s held up, no scratches. The case is nice also.
User
High quality - great value!
This is great value in my humble, beginner opinion!Introduces a nice bloom effect with a decent light source. Build quality is of high standard and the glass is quality as well!I would say this is a bit more than 10%, but does the job very well either way.Shots taken on my new Fuji X100vi
User
Great but X100vi needs an adapter
Great quality and love the effect on photos- however, with x100vi I had to get an adapter ring otherwise I'd have focus errors due to limited movement.
User
K&F Black Diffusion
Not a what I thought it was going to do
User
Great value for money
I bought the 1/8 filter first and it's ideal for a subtle glow and at night. This 1/4 is perfect for daytime when you need a bit more strength for a more pronounced glow effect. These filters feel high quality and come in a nice box. My only suggestion for improvement is to label the boxes what's in them. They are semitransparent and you cannot tell what's in them.
User
Love it
Perfectoo
User
ممتاز
رااااايق الضباب فيه جدا خفيف وللاضاءه القويه يسوي لها بلور
User
Excellent équilibre pour un rendu cinématique naturel
J’utilise le K&F Concept Black Diffusion 1/4 régulièrement sur mes objectifs Tamron 28-75mm f/2.8 et Sony 70-350mm f/4.5-6.3 ayant un diamètre de 67mm avec mon Sony a6700, pour la photo et la vidéo. Après plusieurs mois, je suis très satisfait du rendu qu’il apporte à mes images.Points forts :• Rendu cinématique : adoucit les hautes lumières tout en conservant un style naturel et professionnel.• Diffusion 1/4 équilibrée : ni trop marquée (comme un 1/2), ni trop discrète (comme un 1/8), idéale pour un usage polyvalent.• Simple à utiliser : il suffit de visser le filtre sur l’objectif.• Compatible avec d’autres filtres : pratique pour le combiner avec un filtre ND ou tout autre filtre du même diamètre.• Bonne qualité de fabrication : solide, fiable pour un usage régulier sur le terrain.Point à améliorer• Grip parfois difficile : il m’arrive de ne pas réussir à le dévisser lorsqu’il est combiné avec un autre filtre. Dans ce cas, il faut soit le manipuler hors de l’appareil, soit garder les deux filtres vissés ensemble, ce qui peut être contraignant selon la situation. Il existe en revanche des solution pour le défaire avec un tissu ou un élastique.En résumé je dirais que c’est un excellent filtre pour celles et ceux qui cherchent à donner un aspect cinématique à leurs images. Le 1/4 est parfaitement dosé pour un rendu naturel et polyvalent, et malgré un petit défaut de maniabilité, c’est un outil efficace et agréable à utiliser, surtout en combo avec d’autres filtres.
User
KF es igual a calidad
Este filtro da un efecto increíble, me encanta la calidad
Trustpilot
1 week ago
2 days ago