Excellent packaging and high quality finish. I returned it anyway because the filter glass is dyed through. This results in vignetting in wide-angle shots, since oblique rays of light have to pass through a thicker filter layer than straight rays of light. You can see that by just looking through it with your eyes. There is no vignetting with surface-evaporated filters because the glass body remains clear on the inside. Unfortunately these are more expensive...

The fastening ring that comes to the adapter is a little smooth-running, but that hardly bothers you. I'd say it's okay for the money. I'm satisfied anyway.

Fast delivery. Good and nice packaging. There are many different connection adapters for all common lens sizes. The drawers were a bit too tight when delivered, but I loosened the screws a little and then it was ok. I didn't notice any color casts in the filters, which I think is good

The slide-in ring is a little worse processed but the rest is great

clear recommendation for this filter holder! The selection of adapters supplied is very large and very useful.

I was looking for a rectangular filter holder for a long time and after a long search I found what I was looking for from this supplier. The holder is supplied with 7 adapter rings and can therefore be attached to different lens diameters. The adapter ring is screwed onto the lens thread and the holder is simply mounted on the ring. The mount holds securely and doesn't give me any concerns that it might not hold, even with minimal play. Conclusion: I can only recommend this holder for photographers who do not want to spend too much money.

The filter does what it is supposed to do, it extends the exposure time. I haven't noticed any vignetting or wrong color reproduction so far. And so I'm satisfied. The packaging of the filters is very good and practical, which some higher-priced filters are not so good at.

I'm delighted with the quality.

The ND 1.8 filter is very good for the low price. The image becomes slightly more bluish with the filter. The deviation can be quickly corrected for both photos and videos. No loss of sharpness. The filter can be used in a 4x4 inch matte box, although 100x100 mm is actually a bit too small. Compared to 4x4 filters in the €200 range, I find the value for money excellent.

I've been taking photos as a hobby for several decades, first analog, then of course almost exclusively digital for 15 years, i.e. I've seen and tried out a number of photo accessories over the years. With the filter I bought here, three things were decisive. 1. The quality, I've spent too much money unnecessarily on useless photo accessories 2. The price, I don't see an point in spending more money which you can't see in the photos afterwards anyway 3. The durability and expansion of a plug-in filter system Attached Image with the graduated gray filter All points speak for this product. The filters are quickly attached, make a stable impression and are supplied in a practical case. The plug-in filter system is more than useful for the hobby photographer. In any case, I wouldn't want to be without it in my photo bag. I can't understand the fact that the filters are difficult to insert, which is often criticized here, on the contrary I even find this important because otherwise the filter could quickly fall through. After more than half a year and several sessions, I can only say about the durability of the filters, so far nothing has been scratched or even broken. Conclusion: Anyone who takes photos knows that this hobby can sometimes cost a lot of money, and often with this hobby it really is so; "If you buy cheap, you buy twice". However, I don't have the impression with this product that the more expensive competitors, who also offer plug-in filter systems, do it so much better that the surcharge would be worth it here. That's why I can only recommend this system