62mm Empty Magnetic Base Ring (Works ONLY with K&F Concept Magnetic Filters / Quick Swap System)

Pros:

- affordable price
- high-quality workmanship
- system can be used with adapter ring or UV filter as basic elements
- very good coating of the filters without negative color shifts or visible loss of sharpness
- no vignetting from 15mm onwards

Cons:

- bag does not correspond to the quality of the filters
- CPL filter at 14mm, slight vignetting
- unfortunately no other ND filters are currently available for this system.

Conclusion:

a more than successful set that is worth every euro, not just for beginners in the subject. Ambitious users will also find a good alternative to the filters of established brands here.
We can only hope that K&F brings more of these magnetic filters onto the market because I would like to have another ND8 and ND64.
Therefore, I can, in good conscience, give a very clear purchase recommendation

I've been wanting to try these K&F Concept Magnetic Filters since they were announced.
I'm glad I bought these. They are great,
super easy to use and swap out in the field. Simply attach
the magnetic ring to your lens and then it's just a case of attaching and changing the filters with ease,
No hassle screwing the filters in and out, this is a game changer in my opinion, I own a bit of K & F gear and these are good quality as always.
I have the K&F square filter kits but that's a lot easier, the case that comes with it is really nice too,
they're not cheap but they're not cheap but
they're a lot easier get what you pay for, I'm extremely happy overall

I purchased this K&F Concept 67mm magnetic lens filter kit
for my Tamron 28-75 f2.8. These filters work well and fit my new camera. Quality looks good.
It was a good choice!...It allows me to take long exposure water shots on bright, sunny days. It's not a variable and it's too dark for these dark dreary cloudy days. You will want to have a different filter for this. The filter is well made and can be easily threaded onto my lenses. It also comes with a nice case for storage and carrying. The images appear clear and sharp without any vignetting like you might get with some filters. Great value for money, definitely worth the money I tried adding more than one photo for examples but couldn't. I'll try to edit and add more later.
I am happy with this purchase.

This is something I never expected since I use DSLR and lenses.
Honestly, it makes a big difference now.
I'm not talking about the filters because you can always find those, I'm talking about the system itself which I think is absolutely brilliant!

How easy is it now? Very simple and I'll explain why.
I use filters for filming outdoors which can be difficult at times because of the light, the sun rising from the clouds, manual settings, everything overexposed which is very bad for video.

►My lens diameter is 67mm so I got that. You have to screw the ring and then depending on what you want to get you just have to attach the filters... You don't have to screw them one by one, which saves you a lot of time.

Now, the advantage?
You avoid moving your camera when you want to change the filter!!! This is the most important feature I would say!!
I keep my camera in one spot and 100% doesn't have to move AT ALL!! So with this magnetic system I just remove one filter and add another, easy. I don't have to screw anything!!!

►What do you get? A nice bag, a filter ring (the magnetic one), 1 UV filter, 1 cpl and an ND1000. They already know what they're doing because you're all photographers, so it's easy.

Build quality? Good, clean design, slim filters, nice bag (has a ring so you can attach it to the bag, tripod and so on.

►VERY IMPORTANT!!
You cannot attach all 3 filters at the same time!!
Only one at a time don't try to attach more as they might fall and you will damage them.

How strong is the magnet?
Once attached to the lens, even if you walk with the camera in hand, you won't lose the filter, so get going no worries.

►Easy to remove? I would recommend using both hands to ensure you remove the filters properly.
The most interesting filter for my type of work is the ND1000 which makes a massive difference. I have to do things like that Don't explain filming at f2.8 when it's bright outside + shutter at 60 for 30fps because you already know what I'm talking about.

Make sure you choose the right filter size, check and double check your lens size.

►Overall experience?
Impressive technology!!

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I purchased this along with purchasing the largest 77mm set of the magnetic NDS. My primary lens that I use is 77mm. The filter set and the adapter ring worked really well, I'm very happy with it.

In addition to the square filters, I also bought the inexpensive magnetic filter holder set. All I can say is: great. However, I don't have the option of purchasing ND 8 and ND 64 (magnetic) because only ND 1000 and polarizing filters are available. A second glass-filled filter holder is included, which can be stored permanently with an adapter ring for a second lens size and still! fits into the super handy case. For now, this inexpensive set with a magnetic holder is enough for me; If I have further requirements, I will probably switch to the "large" filter holder system from another manufacturer (approx. 400 euros with three ND filters). Which photographer doesn't know this "want to have?" In short: Riko Best's post on YT convinced me. Would I recommend it? Yes, anyone who wants to work with a gray filter every now and then. LG

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.

color-neutral, very easy to use, a significant advance compared to screw-in filters or the large 100x150 insert filters. The included bag is excellent, practical, and fits anywhere.
The polarizer seems better in terms of color neutrality than expensive branded products from Nisi.
The filters fit onto the holder of the Kase filters without any problems. So far I don't see any difference in the pictures. Unfortunately there was no round graduated filter at K&F

They are so easy to use and the quality is fantastic - both the build quality and the image quality. I can't see any color cast from both the CPL and ND filters. I think you'd really have to do a pixel beep to see a difference in sharpness, and even then I'm not sure there is one.
Being able to attach the filters to both the UV filter and the filter ring is really clever - I keep the UV on my 24-70 F4 and the filter thread ring on 16-35 F4, so it's even quicker to attach the filters, regardless which lens I use.
Because the ND is not variable, there is no dark X and no vignetting at 16mm, unlike when I use my square filter set.

The disadvantages I see at the moment:
- You cannot replace the filter thread on your own. So if you break or lose it, you will have to buy a new set. I contacted support but was asked to pay $16 for a new thread to be delivered...
- The supply of NDs is not (yet) as large as a square filter system and I'm not sure if you have them either can buy as singles or whether it is just part of these kits

I am very happy with this system and the quality of the filter lenses. It is wonderful for a very quick filter change. Unfortunately, I accidentally lost the ND filter the first time I went out and didn't realize it until I got home. My friend had zipped up the bag they came in and I thought it was still open and was more focused on trying them out on the camera. During my hikes the ND fell out. I finally managed to replace it and received a protective magnetic lens cover as part of the order. I'm fictional now. I recommend this system and it has the filters I use perfectly.