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77mm Empty Magnetic Base Ring (Works ONLY with Magnetic Filters / Quick Swap System)
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Features
- * Stable suction, quick installation and removal, suitable for K&F Concept magnetic filter.
- * Made of aviation-grade aluminum alloy with high strength and impact resistance.
- * The surface process adopts anodized black treatment to prevent reflection during shooting.
- * Only applicable to K&&F Concept magnetic filter. Not suitable for transferring non-magnetic filters && non-magnetic filter adapters.
- * Notice: The 77mm magnetic adapter ring can only be connected to the 77mm magnetic filter
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Reviews (31)
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Magnetic filters are super useful
Great image quality, no noticeable colour cast.
Magnetic ND filters are a must due to constant manual focusing adjustment in between compositions. So much faster than screwing on/off filters. The lens cover is also incredible!
Magnetic ND filters are a must due to constant manual focusing adjustment in between compositions. So much faster than screwing on/off filters. The lens cover is also incredible!
01/02/2025
Very cool design
I've always disliked needing to screw and unscrew filters but with this one, the filter is attached via magnetism and can be put on or taken off with little difficulty. The only possible downside is there is a small amount of wiggle room with the filter installed. Does not affect image quality. I recommend k&f concept.
31/01/2025
Magnetic filters changed my life.
The filter system is great. You can also stack them. If you do stack them you may want to buy filters that are bigger than your lens and put on a step up ring. When you shoot wide you’ll avoid vignetting.
If you have multiple lenses that are different sizes I suggest buying this system for the biggest lens and get a step up ring for the smaller lenses.
If you have multiple lenses that are different sizes I suggest buying this system for the biggest lens and get a step up ring for the smaller lenses.
30/01/2025
Rapport qualité-prix imbattable
J’étais sceptique au début du prix, puisque bien souvent les filtres plus dispendieux sont de meilleure qualité. Dans ce cas-ci je n’ai rien à dire, après plusieurs tests à 20mm et 420mm, la netteté est la même avec et sans filtre!! La seule affaire est une légère teinte bleue, mais elle est facile à ajuster en changement la balance des blancs en post-production.
Aussi, le concept magnétique est super!! Beaucoup plus facile à utiliser et très bien sécurisé avec la force de l’aimant (j’ai tenté de secouer un objectif avec le filtre et ça a tenu).
Finalement pour ma part la bague se visse parfaitement à mes objectifs Nikon et ne reste pas pris ou en « cross tread » comme plusieurs personnes qui semblent avoir des problèmes avec les filtres.
Aussi, le concept magnétique est super!! Beaucoup plus facile à utiliser et très bien sécurisé avec la force de l’aimant (j’ai tenté de secouer un objectif avec le filtre et ça a tenu).
Finalement pour ma part la bague se visse parfaitement à mes objectifs Nikon et ne reste pas pris ou en « cross tread » comme plusieurs personnes qui semblent avoir des problèmes avec les filtres.
28/01/2025
Verified buyer
Perfect budget-conscious variable ND for our Nikon lens. Construction seems durable, and vignetting is not noticeable unless super stopped down. I can't compare it to the higher priced brand name versions, but I have no complaints.
28/01/2025
Excellent
Have had the opportunity to use this filter. Quality of materials is very good. No noticeable colour cast which is important. Magnets hold strong. Very pleased and great value for the cost.
28/01/2025
Very nice filter
Very nice filter for the money. My photos colors are very nice using this filter and it allows me to slow my shutter speed for great waterfall pictures.
25/01/2025
Part of a great magnetic system
I looked at a lot of different magnetic filter systems, but ultimately decided on the K&F filters. It was a great decision. I would have purchased from their new Pro lineup, but they weren't available at the time (at least in magnetic form).
Stacking the magnetic filters works perfectly as well, as the magnets are strong enough to keep everything in place and stable.
With a 24mm lens (and the 82mm filters), there is some vignetting in the corners, but zooming in a bit or cropping in post deals with that. I suspect the Pro lineup resolves this issue. All in all, these were far less expensive and yet more convenient than the other systems I looked at. I highly recommend them.
Stacking the magnetic filters works perfectly as well, as the magnets are strong enough to keep everything in place and stable.
With a 24mm lens (and the 82mm filters), there is some vignetting in the corners, but zooming in a bit or cropping in post deals with that. I suspect the Pro lineup resolves this issue. All in all, these were far less expensive and yet more convenient than the other systems I looked at. I highly recommend them.
25/01/2025
Needs stronger magnet
The variable ND I attached to this, works awesome. However I the filter has already popped off a few times. Luckily I was over grass so I just had to clean the glass. I bought a few for my lenses and different sizes too. Will have to be VERY careful and make sure not too bump into the side of the filter!
22/01/2025
Great filter! Love K&F!
Great quality filter! Great for long exposure times, especially for water falls!
22/01/2025
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