Ideal for landscape photos and more.
Included: Polarizer and UV protection filters, front and rear lens caps, storage bag.

Had to choose the size that would benefit me the most. In the end, it was the 62mm set.
That would be the largest size based on my current lens selection.
Have a few smaller lenses and have the solution for that.
Get the 18 piece filter ring adapter set from K&F Concept.
(Made from the same aerospace grade aluminum alloy).
The perfect companion to this set.

All filters and caps are made of aerospace grade aluminum alloy.
The edges have non-slip teeth machined into the sides for a better grip when turning.
The CPL and UV filters are clearly printed on the side without the grooves (in bright white letters). The
CPL filter is slightly thicker than the UV filter because it has an adjustable ring.
Perfect threading of the entire four parts.
The optical CPL and UV glass both have a nano coating that makes them waterproof and oil resistant.
Even when I painted a nice big oily fingerprint on the glass, it was quick to clean.

The filter caps are available in K&F colors.
Black with an orange stripe.
The top cap also has an orange logo.

Storage.
When not in use, the filter set is very compact at about 0.75 inches thick.
Place in the drawstring storage pouch.
A dark gray to black soft bag with an orange drawstring with plastic ends.
Fits easily in a pocket or fits in an equipment bag.

Overall.
Attaching and removing the filters from my lens went smoothly.
Both filters can be used at the same time for outdoor shots.
As I said, no vignettes or dark corners.
The circular polarizer worked perfectly. Just rotate it until the glare is removed.
See photos of the bird bath.
This will go permanently in my gear bag. Recommended.
Hope this was helpful.

excellent filter, so transparent that at first I thought there was no glass ;););), aluminum ring, very light but often the outer ring is quite high for attaching other filters or umbrellas so that they can be screwed on stably. For the cost and the quality it is unparalleled. Definitely to recommend

I love this filter. The CPL is accessed with the large ring, and the ND is accessed with the orange tabs. Finally, someone made it easy. The ND range is bracketed, of course. The CPL rotates all the way around. It also comes with a nice (leather-ish) case to protect it. Great design.

This is a TEST REVIEW for the item sold on Amazon with the description: K&F Concept Nano-K Magnetic Filter, CPL Circular Polarizing Filter with Nano Coating for 77mm Lens (Cleaning Cloth Included). This is a CPL filter (polarized light is controlled by rotation around its axis) that is very comfortable to use thanks to its two-part threaded anchor ring and the filter with magnetic outer ring. The threaded ring is installed and then it can be removed with a simple grip and pull on its contour (which has a ribbed texture for a better grip) and to fix it again, then present it on the ring and position it until you find the magnetic pull and its anchor in a well-adjusted position. In terms of performance, they stand out outdoors in good sunlight (indoors and artificial light is imperceptible) and outdoors very shady. Therefore, it is usually useful when shooting landscapes, especially in areas where an area of sky or clouds appears, or where light is reflected in rivers, springs, lakes, etc... or in reflections with a metallic effect. Depending on the orientation in which the ring is rotated, the image becomes slightly darker or brighter, attenuating the sunlight and taking on a greater or lower color saturation (when rotated on the magnetic system it sounds a little like a rubbing squeak, but as is usually used in photo and video recordings, the position is first sought and then the recording is activated, as this does not affect the tone of the recordings). I made an edited video with some image changes in the same shots, with the CPL polarization ring only partially rotated. The images appear with a higher hue but less luminous, which is why it is advisable to adjust the gain of the light meter a little, because if we rotate the ring when we are in manual mode or in the preferred aperture or speed control modes with respect to it, the recording speeds and apertures vary respectively, and personally I like images that are a little more vivid both in colors and brightness, but without annoying reflections. Due to its very good price/quality ratio and its ease of installation and replacement with filters from the same “Magnetic Adapter Ring” magnetic attachment ring system, its thin “Slim” mount that prevents vignetting on square lenses, its good presentation in a protective box and the special cleaning cloth included in the set, my rating for this K&F Concept filter is: “5 STARS” = [* * * * * *]. I hope you find this review helpful, Best regards. The disadvantage that I forgot and that I noticed later is that on CANON lenses with the EF series front caps, they do not attach with the filter installed or with the filter removed, since the filter is a narrow format (SLIM), the retaining tabs of the lens front cover do not engage with the profile of the filter or its support ring. To be able to put the cap on, you must also remove the threaded ring and store the set in the box.

So, let's start by saying what these filters DO NOT do (any, any brand). These filters do not remove light pollution. If that were the case, you could photograph the Milky Way from the center of Rome or Milan, and of course that's not possible. Light pollution, if there is, cannot be removed in any way. So what do these filters do? The street lamps of the cities almost all give a light on the dark orange, which gives the landscape and the sky an annoying dominance. These filters do nothing but CONTROBALANCE this dominant with a colder color and as a result you have photographs with dominant orange much less marked and with blue skies. This is what makes these filters and in this case it does quite well.

Construction, at least apparently robust and aesthetically on top of Sony mirrorless by the orange anodized ring. Perhaps there are more sophisticated products out there than construction, but it does what it needs to do and does it well. For what it costs I wouldn't look for anything else.

robust and efficient ring even when mounted on the machine, aesthetically very nice, with orange finish detail. Above. I restored all old quarters.

This streak filter can be rotated up to 360 degrees and is perfect for creating differently angled and dynamically rotating flares. The anamorphic streak filter from K&F Concept creates a cinematic vintage effect on photos and videos by transforming points of light into linear anamorphic light reflections. It has a 77mm camera lens with a mounting thread. With an adapter ring, a step-up ring or a step-down ring, it can also be used for camera lenses from 32mm to 82mm. It is equipped with 8K Ultra HD optical glass, has 28 nano-layers and low reflectivity that ensures high-resolution photos and video recordings. It is lightweight and consists of an anodized aluminum alloy frame. It has an ultra-thin frame that reduces vignetting and dark corners when mounted on a wide-angle lens. CNC machined and anodized aluminum alloy frame is built to last, abrasion and erosion resistant. In addition, the trapezoidal pattern on the frame is ideal for easier grip and non-slip function. The filter is excellent because it is waterproof and oil resistant. I like the fact that the lenses can be rotated to adjust the angle of the spread. Also, the brightness and intensity of the filter will depend on your setup and the light you're shooting. The compact effect filter comes with a filter box and a cleaning cloth, making it efficient and practical for your recording and filming. All in all, this is a great product that allows me to be more creative in my photo shoots with less effort.