I have been thinking about buying a graduated filter for a long time, although admittedly, prices around 153 euros have always put me off. In the end, I decided on a much cheaper, sales filter from K&F and I really would not be disappointed!

I've been using the product for about half a year now (almost daily) and I'm very satisfied with it!

Pro: The installation is easy and holds very well and with the installation rings it can also be used universally for any lens!
The filter also keeps its promises and the quality is still excellent!

Contra: the glass is a bit difficult to slide in, if you want to push the filter in, you should remove the attachment to avoid damaging the thread!

Conclusion: I am very satisfied with the product, even if you have to be a bit careful!
I give this product 8/10

Would definitely recommend as good as the top brands in my opinion and less than half the price of top name brands

This is a serious piece of kit if you are a professional photographer or even if you are fairly new to photography and want to ramp up your skills.This incredible filter allows you to select from a range of filter options in order to add some darkness to specific parts of an image. For example the sky can look darkened whilst the rest of the picture is bright.It gives a stunning effect and can really enhance any picture for a professional look. I’ve played around with it over the weekend and it is fantastic. It’s pretty amazing at how much of a difference lighting can make in a photo. Very happy indeed.

A few years ago, I started beefing up my camera equipment. I had a Canon 5D Mark IV camera body, but didn’t have great glass. So, I started my gear journey by upgrading my lenses. I now have four amazing lenses including a 70-200, 24-70, 100mm Macro, and a Wide Angle lens. After I finalized my collection of lenses, I started looking at accessories I needed to accompany those lenses and came up with a short list of items that included high-quality filters. The problem I had was that I needed to be able have filters that works with all my lenses. Buying filters for each one of your lenses can get really cost prohibitive. So, one solution I found was to get a square filter with step-down rings. K&F Concept has a great option for this type of set-up so I gave it a try.

About a month ago, I shot photos at a wedding on a mountaintop in Tennessee. It was in the middle of the afternoon and the sun was super bright at the location of the ceremony. The venue was huge and I wanted to pack my camera bag somewhat light so that I didn’t have to struggle with tons of equipment. The square filter set from K&F concept was perfect for this type of work. The kit is lightweight and it makes it possible to use the one filter for several different sizes of lenses. During this wedding I was working with an 82mm lens and a 77mm lens as my primary glass. At the ceremony site, I had to quickly swap lenses and reapply the filter in order to get the shots the couple wanted. I found gaps in the ceremony where I could quietly and quickly change lenses and attach the filters without disturbing the event. It worked perfectly and even though some people might consider it cumbersome, I thought it was a lot easier than having to swap lenses and then screw filter into each lens.

When using these filters, I shot exclusively in RAW, but did not perceive any color cast from the filters. The mount is solid and the filter is well-protected by the soft lining in the case. It’s very easy to attach the mount to the lenses and in my opinion is actually easier to work with than individual filters.

I do feel like the lens adapter could fit a little more snuggly onto the camera lens, but I’m definitely not complaining about that and it is certainly not a dealbreaker. It’s just a tweak that could make the product even better than it already is.

One of the most appealing features of this product is its price. At $73, it’s much more budget-friendly than purchasing a single ND1000 filter. This is a great set-up for beginners and professionals alike.

No, they're not super cheap, but check the price on the bigger named product makers and you'll see these ARE a value. They work like a champ, I can use any 100mm wide filter and they are solidly in place. If you're thinking of going with a filter holder system, this is one to consider.

I don't regret buying it, I was afraid because I spoke well about the product but they said they were too tight to get it out of the ring, but the truth... I prefer it to be like this and I feel sure it won't fall out

Very good investment.
High quality

This setup is perfect for my lenses on my pentax k50. The quality is definitely there and surpasses most other on the market. The glass is very nice and the packaging is great.

The best ND filter out there.