K&F Concept 49mm True Color Variable Fader ND2-32 ND Filter and CPL Circular Polarizing Lens Filter in 1 for Camera Lens Neutral Density Polarizer Filter (Nano-X Series)

I originally ordered a different filter that wasn't this "True Color" version, and it really threw the overall white balance off on my camera. I found myself trying to change a lot of colors to get it to look just right, but THIS true color ND filter was PERFECT! It was crystal clear and made my colors pop. I took it on a trip to Costa Rica for the last few weeks and the 1-5 stops were absolutely perfect. Whether I was filming our hikes in the jungle and experienced lower-light conditions, or whether I was filming surfing at the beach, I never needed to go any darker. I can't think of a better word than "Perfect" to describe this filter. I also love the little orange dials, they make it so easy to control. Sure, if you're constantly adjusting the outer ring for the normal ND adjustment, the polarizing ring also moves a little with it, but it's not really an issue I had any problem with. Love this.

Very useful as a CPL and variable nd. Comes in extremely handy for video work and I will continue to use it in the future. The ability to adjust both the nd and CPL in the matter of one small swipe is so useful. K&F continues to deliver an amazing product. Will absolutely be buying more from K&F in the future.

I was pleasantly surprised by the quality of this Variable ND/CPL filter! I've used a variety of screw-on VNDs in the past with mixed results, typically I would be disappointed by color casting, sharpness decrease, and/or the X-shaped vignettes that accompany VNDs. Surprisingly, the only negative artifact this VND filter showed was a bit of vignetting due to the CPL, but that's hard to avoid with any VND/CPL combination. Overall, here are my thoughts:Pros:- Maintains sharpness of images- Maintains color temperature of images- Premium build quality- Easy-to-operate design with the aesthetic orange tab for rotating through the VND rangeCons:- Vignetting can be noticed in the sky at high VND levelsAt the moment, this might be my favorite screw-on, lightweight, "throw it in the bag" VND filter. Would definitely recommend.Cons:

The cpl filter adjustment moves when you try to set the nd filter unless you hold it with your hand while rotating the other ring.

How awesome that they have combined a VND with a CPL in one filter here. How often will a photographer use both a CPL and VND shooting beach / water scenes on a bright, sunny day? Um, only all the time! I simply can't gush enough about how useful this is to have both in one filter.I got it in 82mm to fit my Canon 24-70 f2.8 II, which has an 82mm filter ring. The threads are cleanly machined, and it works very well on this lens, and with the VND / CPL combo, I can actually shoot at f2.8 sometimes. That's pretty impressive on a bright sunny day. And even get a little motion blur. This filter is worth every penny they're asking. 5 stars.

This review is for the 2-in-1 True Color ND variable and CPL polarizing filter from K&F Concept's X series (Nano-X).The advantage of combining dual functions of ND and CPL is the ability to quickly adjust both amount of light and polarization, usually a challenging situation faced outdoors near lakes, pools, or reflecting glass surfaces like high rise windows. The variable ND has 5 stops (ND 32, 16, 8, 4, 2) and rotates infinitely. K&F promises no "X" cross on images. The construction is AGC optical glass with 28 multi-layer plus titanium coating to reduce glare but produce true color with no yellowing.The 77mm circular filter is lightweight and machined extremely well with an interesting orange tab on each side of the circle for fast adjustments. You grab either tab that is convenient, they both adjust the ND stops.I was able to easily twist this onto the front of a step-up ring that I have on my Sony alpha 5100.It's an older camera but the pictures have always been great when using the right combinations of lens and filter. I can confirm that this truly delivers the easiest experience for quickly getting a high quality image by adjusting for light and polarization in one filter.With the proper assortment of step-up rings, your investment in this filter can pay off by using it on multiple devices you may own. To protect your investment, it comes in a nice faux leather case. This is an outstanding ND + CPL combo for quality images in many outdoor situations and the sliding tab makes adjustment so easy.

Nice filter. Tested on a Canon 24-105 L lens. Lens cap fits fine, but the hood is a no go-either before or after applying the filter. Easy to use, good damping on the adjustments, stay where you put them, threaded on as good or better than any filter I've used. Biggest issue for me is having this with me when I need it. I expect this was designed by a waterfall guy. Can’t wait to try it when the weather breaks and I can finally get out to one. I had the best experience using a CPL when I was at Yosemite. Don't go there without one. This combo will be just the ticket when I return.

Great combination of my most used filters. I do a lot of automotive works, and having a good circular polarizer is a must for cutting down on paint glare, and the ND is great for getting the shutter to slow down for panning shots.This filter is well made with clean optics, and it screws on and off nicely.Easy to adjust and has a good range of ND.I take this filter everywhere now, and it's my new favorite!

I have been universally happy with the 8 K&F products I have purchased so far, so I was excited to try out their True Color Variable ND CPL filter.Like my other K&F products, the build quality is very high - probably their best yet. The filter rotates very smoothly with just the right amount of resistance to be assured it will stay where you set it. Unlike other variable NDs, this one has orange coloured tabs sticking out that make it easy to turn. It is even labelled, in very small print, to show how much ND it is set to - from 1 to 5 stops. If you are used to how NDs are named in the film production world, this variable ND goes from ND 0.3 to ND 1.5. ND 1.5 in my experience is about as high as we ever use on set.I didn’t realize this until after a few weeks of using this filter, but the “CPL” in the product name actually refers to Circular Polarizer. This is the first and only variable ND I have ever seen that you can also use as a fully-adjustable polarizer filter as well! All variable NDs use two polarizers to darken the image, but the K&F actually lets you rotate the pola independently of the ND setting. Amazing!This variable ND also beats any others I have used because it does not add any colour shift to your image, even at the strongest ND setting, AND it does not suffer from the black cross effect that most other VNDs give you.At $119 Canadian dollars as I write this, it is not an inexpensive filter, but you definitely get what you pay for with optical glass. If you care about image quality, it just does not make sense to put cheap glass in front of your expensive lenses.Very Highly recommended!

I'm still in the testing phase of this filter but so far it's working great with little to no color cast. However, the CPL is a little tough to use as it's a little fiddly and not clearly marked for ease of use.

Normalmente los productos de K & F suelen representar un ejemplo de buen producto a buen precio, pero en este caso se han pasado de nivel, y aun manteniendo un buen precio, el resultado es un producto extraordinario.En este modelo, la reproducción cromática es excelente, evitando el efecto de amarilleamiento de otros filtros similares. Ademas, su marco tiene un sistema de autobloqueo que impide la aparición del patrón en forma de "X" cuando se utilizan valores altos de densidad neutra. Destaca por su ausencia de dominantes de color, incluso en los ajustes más oscuros de densidad neutra.Fabricado con vidrio óptico japonés de primera calidad y con 28 capas de nanorrevestimiento en ambos lados, reduce de manera efectiva los reflejos y las luces parásitas. Además, su tratamiento hidrofóbico, antiarañazos y antivaho garantiza una imagen nítida y libre de imperfecciones. A diferencia de otros modelos, permite rotar el polarizador de manera independiente al ajuste de densidad neutra, ofreciendo un control total sobre la imagen.

K&F are renowned for producing high quality photographic filters and the True Color variable ND (“VND”) with a strength of 2 – 32 (i.e. 1 – 5 stops) filter is no different.I ordered the K&F VND for video work rather than stills photography where having the 1 – 5 stops is perfect for keeping the 180 degree shutter rule when I am out shooting run and gun style. The K&F VND filter negates the need to having to mess around with having to swop out several filters which is ideal for my shooting style.The build quality of the K&F VND is superb. It is made from top quality materials that are well machined and nicely finished. The rotating mechanism is tight enough to stay in place and avoid being moved by accidental knocks but not so tight it is difficult to rotate. In addition, the rotating mechanism is really smooth, which is needed for neat transitions.The K&F VND has a protruding tab, rather than the conventional serrated edges, which makes adjusting this filter super quick and easy. This tab means I can focus on the screen and what I am doing rather than fumbling around trying to change the setting.In my experience all filters affect the image quality to some degree and the K&F VND is no different. The reduction in image quality is minimal when using the K&F VND for video work and it is barely noticeable, even when using the filter at the strongest 5 stop setting. One thing I will say about the K&F VND is that there are no colour casts, at any setting, so the “True color” in the product description is accurate.At £71.99 (at the time of review) the K&F True Color VND filter isn’t cheap, and is actually priced at the higher end of the market. This is to be expected and I think it is always worth to dig a bit deeper for quality filters to maintain the best image quality rather than use cheaper and inferior filters that are going to affect the image quality and potentially render the footage unusable. Using the K&F VND I can shoot with the confidence the image quality of my footage is going to be virtually as good as using no filters at all.Overall, the K&F True Color VND is an excellent filter and one I highly recommend for capturing video footage. It is tough and durable. It is well made and has a smooth action. The protruding tab makes changing settings quick, efficient and fuss free. Okay, it’s on the expensive side but it is definitely worth the extra and very good value for money.Disclaimer: I am privileged enough to be part of the Amazon Vine program and as such I have the opportunity request products that I would find useful/potentially buy to road test in exchange for an honest review. I am not paid for this and all of my reviews are unbiased and based on my own experience.

Bonjour à tous.Un filtre comme on en trouve rarement.Une qualité soignée avec un écrin de très bonne facture digne d’un joaillier.Le réglage se fait avec fluidité, le filtre offre une large gamme de réglages.Pour ma part il est monté sur un 28-80L f2.8.Extrêmement satisfait du résultat.Amitié, laurent