when using in its lowest setting, this ND filter creates a vignette around the corners. which, arguably is worse than the X effect. I will be returning my ND filter.
13/12/2018
Looks nice feels nice. I want to love it definitely feels like quality. First of all its not dark enough for me (didn't take off or hold it against the filter) today I was in the woods shaded area I only need a little nd filter. This would have been fine I told some cool shots with it , got home pulled them up on the note book.... completely unusable shots I was near the dark setting on this filter I believe if you keep it lighter your fine . But at this point just buy a nonverible nd filter probably get 3 for the price of this one. I also a cheap ice nd filter and got way better picture then this one.
07/10/2018
K&F Neutral Density Variable Filter is a good product is well made, it's durable and it fits well onto the lens. The product was as advertised no vignettes which was important for me since another ND filter I purchased in the past created a vignette problem in my photos. I'm pleased with my purchased and I definitely recommend this product. The only thing is that I wish it would have been a 10 stops ND filter instead of 5 stops.
14/09/2018
This is a nicely made 77mm neutral density filter with the added feature of being variable (ND2 to ND32). It has an aluminum frame which is a common metal used for lens filters. It works well to cut light and allowed me to take better pictures in brightly lit environments. A filter to add to my kit and useful for me especially for landscape photography.
20/08/2018