The K&F Concept Nano-X PRO series polarizing filter arrived promptly. The packaging alone is a feast for the eyes. The box is black and gold. Very high quality. And sustainable too. The packaging can be used as a picture frame. There's a small piece of cardboard included for this purpose, which acts as a stand. A really great idea. Then there's the case. Nice material, with fabric and leather. Really well made. There's a small tab on the side to get the filter out of the case. A cleaning cloth is also included. The filter itself is also of very good quality. Very high-quality materials. Superb workmanship. With the help of adapter rings, it screws onto my lens easily. I still need to practice using the filter correctly. But I'm already really impressed. The only drawback, if you can call it that. There's no indication of the contents on the case, so when you have several filters, you don't know at first glance what you're holding.

polarizing filter primarily reduces glare and reflections. This allows you to remove distracting elements from your image during the photoshoot. Even if you call yourself a "Photoshop pro," you'll never be able to achieve the same results in post-processing on your computer as you would with a polarizing filter. These filters can be used in a variety of situations. Along with ND filters and graduated neutral density filters, they're one of the most popular little helpers, especially in landscape photography or simply outdoors. Here are a few examples: You want to photograph a frog in a puddle. The sun is shining so brightly that the image becomes harsh, and the sun is reflected in the puddle. The actual subject—the frog—isn't shown to its best advantage. It's precisely in such cases that you use a polarizing filter, which almost completely removes the sun from the image. The viewer's focus is then fully on the actual subject. Polarizing filters are often used on reflective water surfaces. Every object reflects light. Otherwise, it wouldn't be visible to the human eye at all. Sometimes the reflection is so strong that the colors are distorted. For example, a lush green meadow can suddenly look pale and boring because the color intensity is reduced by the strong light reflection. A polarizing filter helps here too. It can not only reduce reflections but also restore a subject's strong, natural color. The K&F Concept Nano-X PRO series polarizing filter is very high quality and could be easily attached to my lens. I quickly took two pictures and you can see the difference. The images have not been edited. The filter comes in an elegant case and includes a cleaning cloth. The magnetic closure is great. The price is completely reasonable; I can recommend this filter!

K&F Concept Nano-X PRO Series Polarizing Filter 67mm From the packaging to the finished image, everything is of the highest quality. The quality and workmanship of the filter is top, top, top. It screws into the lens thread smoothly and without jamming. The screwing mechanism has a good resistance and can be adjusted perfectly. The image results are impressive and I could not notice any negative effects. (Color fringing or similar) How do you rate the price of a filter like this? I think people with photographic experience know what such a high-quality filter costs. I think the price is quite reasonable for the high-quality and very well-made filter.

Although I have a filter from this same brand that works correctly, it doesn't allow you to modify the light and contrast. This filter does, albeit subtly. It allows you to gently rotate the lens once attached and modify the light, contrast, and color perception of the image. It's not a highly variable change, but it does allow you to slightly adjust the intensity of the image captured. I could give it a negative point because of the price, but in my opinion, that's a personal and relative assessment. The quality is very good, and it does its job perfectly.

✅K&F has a new filter system. As always, it comes with a high-quality leather case. The beige material is made of suede, while the body is made of gray fabric. This case securely stores the CPL filter.✅ After unpacking, the ultra-thin frame immediately catches your eye. The weight is clearly noticeable. There's no plastic used here. The brass frame itself is incredibly thin. It screws onto the lens and secures easily. This definitely eliminates dark corners when shooting. There's no wobbling or shaking. The mount is incredibly stable.✅In practice, the product is also impressive. The elimination of polarized light is extremely good. In landscape photography, the difference is clearly noticeable. Additionally, I feel that the color contrast is significantly increased. It's waterproof, scratch-resistant, and features HD resolution. The training in filter photography is very worthwhile.✅ Exquisite craftsmanship in both the lens and the packaging. An ideal gift for all photography enthusiasts!

tested the K&F Concept Nano-X PRO Series 67mm Polarizing Filter with a Sony A7RII and a Sony SEL-20F18G. I use polarizing filters 99% of the time for landscape photography. Since the effect is practically impossible to replicate in post-processing, a polarizing filter, along with neutral density filters, is one of the only physical filters I regularly use. The K&F is a slim filter. This can prevent vignetting at extreme wide-angles, but the narrow mount makes handling significantly more difficult. This is the case with almost all manufacturers due to their design. At least the filter has a threaded mount at the front, allowing multiple filters to be screwed on one behind the other. A lens hood and lens cap can also be attached, depending on the type. The filter comes in a high-quality, sturdy case with a magnetic closure. As a little gimmick, the manufacturer also includes a microfiber cloth for cleaning. The thread screws on neatly. The rotating mount operates smoothly and smoothly. The slim design makes handling very difficult at times. On the one hand, you have to be careful not to screw the filter onto the lens too tightly, otherwise it will be difficult to remove by hand. On the other hand, when turning the filter counterclockwise, there is a risk of accidentally loosening the filter if it is not screwed on tightly enough. With the lens hood attached, it is also no longer possible to operate it. The lenses are from the Japanese company Asahi Glass and appear to be of high quality. I did not notice any loss of sharpness even at extreme magnification. I did notice a minimal reddish color shift, but this is hardly noticeable. Since my lens is not susceptible to lens flare, I was pleased that no deterioration occurred with the filter attached. The filter absorbs almost exactly one f-stop of light, which is a very good value. The filtering effect is good, but I honestly didn't expect anything less in this price range. In my attached pictures you can see the result in strong backlight, with and without a filter. Here I could not detect any differences in quality or lens flare. The filter effect is clearly visible on the leaves in the other two photos. Here the sunlight falls on the bushes at an angle of approximately 90 degrees. The polarization effect is clear. The white balance was set manually to daylight for all photos. Here you can hardly notice the very slight color shift. I hadn't really considered K&F Concept in this price range before. The results of the filter are first-class and do not reduce the quality of my high-quality lenses. Unfortunately you have to live with the somewhat difficult handling with this design; K&F isn't reinventing the wheel here. However, I give it a full five stars for the optical performance.

Love this polarizer so glad I bought it. Believe me when I tell you that you should pack a rubber band with this filter too as sometimes it’s really difficult to take off. The right size ban around the rim of the filter is a great way to get any stuck filter off but this filter is especially tricky because the top layer rotates when you try to unscrew the base layer so your hand just slips around a filter that is wound too tight. Which happens more often than you think. Thanks for coming to my TED talk.

Cumple con la oferta del producto. Es de muy buena calidad. Salvo que debe estar bien ajustado al lente ya que, al girarlo, en ocasiones se suelta del lente. Tengo dedos gruesos y se me ha dificultado el giro.

Easy to use and install. Packaging is very professional. Installs easy and functional as the product stated. Recommend to all, buy it. BUY IT!!

Love this polarizer. So many polarizers I've tried cause color tinting at different polarizations. This one doesn't seem to have any of that. Crystal clear image, smooth turning, overall great.