Magnetic filter from the well-known brand K&F, which for several years has been offering very good quality photographic filters at a very affordable price. I have been using a 72mm K&F magnetic filter set for almost 2 years, consisting of UV, CPL, ND64 and ND1000 filters, and I am very happy with it. Not only because of the magnetic use of the filters, which allows them to be attached and removed very quickly, but also because of the possibility of using a magnetic cap. In this case we find a UV filter that, in addition to being magnetic, has a thread that can be attached directly to the lens. A very interesting detail for those who decide to use this filter and do not yet have the magnetic system. Or it is also an advantage that it has a thread if you have two lenses with the same thread but only one of them has the magnetic adapter. As for the quality, there is nothing to complain about. It is made of aluminum with very good finishes and the glass gives off some tones when backlit, which suggests that it is not just a simple transparent glass with some kind of coating. I don't usually use this type of UV filters, but occasionally I use them when I shoot in dusty environments with a bit of wind or rain. If it rains and you have to continuously clean the lens, using this filter runs the risk of scratching the filter but not the front element of the lens. In short, a quality filter with the advantage of being magnetic, which makes it a very good option for anyone who wants to expand their K&F magnetic filter set. A very good detail and a great advantage that K&F offers the purchase of filters individually and does not force you to buy complete kits.