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K&F CONCEPT FNA01 Snap-On ND2-32 Filter for iPhone 17 Pro & Pro Max, 11.2g Ultra-Lightweight Variable ND Lens Filter with Snap-on Deco Mount, AGC Glass 28-Layer Coating
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£22.09
£24.86
VAT free
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⚡1. Special code—10% OFF Code: PD10;
⚡2. Surprise Gift:Get free gift over £80 (select on the checkout page
⚡2. Surprise Gift:Get free gift over £80 (select on the checkout page
To United Kingdom Expedited Shipping 3-5 business days, Up to 2-Year UK Warranty
67mm Magnetic ND2-32
£49.99
52mm ND2-400
£26.99
67mm Magnetic CPL
£34.99
67mm Press-on CPL
£19.99
58mm Press-on CPL
£18.99
Snap-On CPL（Deep Blue）
£24.99
Snap-On ND2-32（Deep Blue）
£22.09
Snap-On CPL（silver）
£22.09
Snap-On ND2-32（silver）
£20.71
Snap-On CPL（black）
£24.99
67mm Press-on ND2-32
£29.99
Snap-On ND2-32（orange）
£22.09
Snap-On CPL（orange）
£24.99
58mm Press-on ND2-32
£28.99
Snap-On ND2-32（black）
£22.09
6.7 inch Magnetic Threaded Filters Mount Adapter
£22.99
67mm Magnetic Filter Adapter
£19.99
6.7 inch Magnetic CPL Filter Mount Adapter
£32.99
6.1 inch Magnetic ND2-32 Filter Mount Adapter
£39.99
6.7 inch Magnetic ND2-32 Filter Mount Adapter
£39.99
6.1 inch Magnetic CPL Filter Mount Adapter
£32.99
58mm Press-on Phone Lens Filter Adapter
£12.99
67mm Press-on Phone Lens Filter Adapter
£13.99
6.1 inch Magnetic Threaded Filters Mount Adapter
£22.99
Magnetic Phone Stand（orange）
£20.99
5" Selfie Monitor Screen
£54.99
Magnetic Tripod + ND2-400 Filter Kit
£44.39
Floor Tablet Stand and Phone Holder
£59.99
Magnetic Phone Stand（green）
£20.99
10''&[Multifunctional 4-in-1] Foldable Desktop
£26.99
5" Selfie Monitor Screen
£54.99
Magnetic Phone Stand
£22.99
Magnetic Phone Stand（silver）
£20.99
⚡1. Special code—10% OFF Code: PD10;
⚡2. Surprise Gift:Get free gift over £80 (select on the checkout page
⚡2. Surprise Gift:Get free gift over £80 (select on the checkout page
Features
- * Snap-on Deco Fit & Ultra-Lightweight: Snaps directly onto the iPhone 17 Pro/Max camera DECO for a seamless 1:1 fit. This innovative structure offers superior stability over clips or magnets, ensuring zero wobbling and light leakage during motion. Weighing only 11.2g±1g, it is gimbal-ready and maintains your phone's balance for professional vlogging. (Custom-fit for 17 Pro/Max; also compatible with 16/15/14 Pro, though it may obstruct flash or LiDAR).
- * Unobstructed Magnetic: Please note this phone filter is NOT compatible with full-wrap cases (those that completely cover the camera DECO area). It is only compatible with select open-window cases (cases with a cutout around the camera area). Once installed, the magnetic ring remains fully exposed for use with chargers, power banks, or magnetic tripods. The ultra-slim base allows quick attachment without removing your case, reducing wear and tear from repeated case removal, so you're always ready
- * Advanced ND2-32 & No X-Cross Tech: Featuring premium AGC optical glass with a 28-layer nano-coating, this variable ND2-32 filter provides 1-5 stops of light control. The frame incorporates self-locking technology for smooth, stepless adjustment while effectively eliminating the "Black Cross" pattern common in variable filters. It allows for wider apertures or slower shutter speeds even in bright light, meeting the high-definition demands of ProRAW and Log video.
- * Gimbal-Optimized & 11.2g Feather-Weight: Designed for creators on the move, the CNC-machined aluminium frame is ultra-light at just 11.2g—significantly lighter than bulky 100g alternatives. This profile is exceptionally gimbal-friendly, allowing for instant use on DJI OM or similar stabilisers without the need for re-balancing or straining the motors. With a compact 50mm diameter, it remains unobtrusive and highly portable for professional travel vlogging.
- * Precision CNC Aluminium & Scratch Protection: Crafted from high-quality aluminium alloy via precision CNC machining, this filter provides a premium metallic texture and durability. The custom-toned finish harmonises with the iPhone 17 Pro/Max aesthetic for a seamless look. The interior mount features an embedded rubber ring, providing a secure, anti-slip grip while offering reliable scratch-resistant protection for your lens module during installation and removal.
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£22.09
Shipping
To United Kingdom Expedited Shipping 3-5 business days, Up to 2-Year UK Warranty
Sale
⚡1. Special code—10% OFF Code: PD10;
⚡2. Surprise Gift:Get free gift over £80 (select on the checkout page
⚡2. Surprise Gift:Get free gift over £80 (select on the checkout page
Brand Story
Reviews (12)
- All Reviews
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Functional and works as advertised but easily falls off with the press fit design
I'm using this with my iPhone 16 Pro and Peak Design case. It works well overall. The press fit is ok but it will fall off if bumped or not fully pressed on. Over the course of a four day trip, it fell off or was knocked off twice but luckily landed on the edge and the glass didn't touch anything, so it didn't get scratched. It's a bit nerve wracking to be honest, but I've yet to find a better option that doesn't involve dedicated cases/cages to hold the filters. Luckily, it's inexpensive enough to justify using it even knowing it will eventually get scratched falling off.
As far as performance, it functions as advertised. I wish they made a stronger version of it since ND32 isn'tstrong enough for the bright midday sunlight in which I was often using it. Even ND64 would be questionable, so something like ND8-128 would be great. It also comes with a compact and easy to use case for when it's not on your phone.
In the end, it's not perfect, but I would buy another one if they made a stronger version like I mentioned above and in a similar price range. If I were using it daily, I'd probably opt for a more secure option that requires a dedicated case, but this one is fine for casual use.
As far as performance, it functions as advertised. I wish they made a stronger version of it since ND32 isn'tstrong enough for the bright midday sunlight in which I was often using it. Even ND64 would be questionable, so something like ND8-128 would be great. It also comes with a compact and easy to use case for when it's not on your phone.
In the end, it's not perfect, but I would buy another one if they made a stronger version like I mentioned above and in a similar price range. If I were using it daily, I'd probably opt for a more secure option that requires a dedicated case, but this one is fine for casual use.
29/06/2026
Fun to use, Does not fit with phone case on
Excellent filter for mobile videography! The snap-on design is secure and easy to install, and the ultra-lightweight build but cannot use it with any of my phone cases. Which makes it so I don't use it that often. The variable ND adjustment works smoothly, helping achieve more professional-looking video in bright conditions. Image quality remains sharp, and the coatings do a great job reducing glare and reflections. A must-have accessory! But I do not enjoy carrying it around wondering if I will need it.
18/06/2026
So close to the best iPhone variable ND yet
This is the first variable ND I've used for iPhone that hasn't been terrible or required a special case to use. It fits relatively tight but isn't hard to remove. There's no light leaks which is very important. The colour shift is slightly warm, you can obviously correct your video but the image is nice enough even if you don't. There's hard stops at the beginning and end (though not the middle stops) so you won't over rotate and accidentally get an X on your video. Price is reasonable compared to competitors. It should fit with most cases that don't have huge camera lips. It works, and it works well.
The main reason it gets four stars is that the case is really large and thick for no reason. It's too big to be pocketable and is excess protection for something that should come with a nice soft microfiber case (useful for cleaning too). This is something you would want to always carry around with you, but it's not suited to be permanently attached to your phone and the case basically requires you to carry a bag.
Also ND2-32 won't cut it for the brightest of days and I find myself rarely using ND2, something like ND4-64 would probably be a better range for phone video.
Overall I'm happy to have an ND filter option for my phone that I actually like to use and can always keep in my camera bag, just not my pocket.
The main reason it gets four stars is that the case is really large and thick for no reason. It's too big to be pocketable and is excess protection for something that should come with a nice soft microfiber case (useful for cleaning too). This is something you would want to always carry around with you, but it's not suited to be permanently attached to your phone and the case basically requires you to carry a bag.
Also ND2-32 won't cut it for the brightest of days and I find myself rarely using ND2, something like ND4-64 would probably be a better range for phone video.
Overall I'm happy to have an ND filter option for my phone that I actually like to use and can always keep in my camera bag, just not my pocket.
18/06/2026
Verified Purchase
Minimalist ND FILTER
Works really well. And fits perfectly!!! Simple design. Very easy to use, you just stick it to the lens of the camera. Great product.!!
17/06/2026
Great concept from K&S
Great concept from K&F at a very reasonable price. Just make sure your phone case is compatible, It works with my smallrig case but its a tight fit (not a bad thing).
12/06/2026
Very convenient! No other gears required.
Great product for my use, I keep it in my pocket, ready to take a picture at anytime. Portable and convenient.
11/06/2026
False advertising
In their product description it says "(Custom-fit for 17 Pro/Max; also compatible with 16/15/14 Pro". I have an iphone 16, this is not compatible with the iphone 16. It didn't fit.
08/06/2026
A Game-Changing Phone Filter That Elevated My Outdoor Photography
I added this K&F CONCEPT FNA01 snap-on ND2-32 filter to my iPhone 17 Pro setup and it has genuinely transformed how I capture photos and videos outdoors. The variable neutral density range (ND2-32) gives me excellent control over light, allowing me to shoot longer exposures or reduce glare in bright sunlight without overexposing highlights or losing detail in shadows. The snap-on design is incredibly convenient — it attaches securely and removes quickly without any bulky cases or adapters getting in the way. The optical quality is impressive, with minimal color shift and sharp results even when paired with the phone’s high-resolution camera. I’ve used it on everything from waterfall shots during hikes to golden-hour portraits and timelapses at the beach, and the difference in dynamic range and creative possibilities is noticeable. As someone who loves documenting family adventures and creative moments but doesn’t always want to carry a full camera kit, this filter makes professional-looking results accessible right from my phone. The build feels premium and durable, and it stores easily in my bag. For iPhone photographers who want better control over bright conditions and creative exposure effects, this K&F filter is a smart, high-quality accessory that delivers beautiful results.
07/06/2026
Works as advertised
Easy to install. Fits snug.
03/06/2026
This device is excellent!
I’m a professional photographer and videographer, I sometimes use my iPhone 17 pro as a second camera, but I need to get the shutter speed down to 50th or 100th, this device helps me do this, better than I was hoping, five stars from me !!
28/05/2026
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