For my Panasonic Lumix G lenses, I needed two "protective filters" so that rain and fingerprints can't damage the front lenses. There are different opinions on the net about the effect of UV filters, so I don't want to say anything more about it, but there is a blue-tinted coating on the K&F Concept Pro UV filter, the delivery condition is perfect and the packaging is (especially in view of the the price) can almost be described as luxurious. A first check also reveals no adverse effects on the image quality in any way, and the slim design also means there are no shadows on the 12mm lens. Lens caps still fit securely and the lens hood also fits on the lens in both directions. I see the handy " there are even tools that make this removal possible. But that's a thing of the past here, with this practical ribbing on the edge it's no longer a problem. At this price you can also have one or two of these filters with you in your camera bag and when the mud has splashed you can quickly put a clean one on it - easy Perfect! there are even tools that make this removal possible. But that's a thing of the past here, with this practical ribbing on the edge it's no longer a problem. At this price you can also have one or two of these filters with you in your camera bag and when the mud has splashed you can quickly put a clean one on it - easy Perfect!