I received the K&F Concept Nano-X True Color Variable ND Filter in size 72mm free of charge through the Amazon Vine program.

The K&F Concept Nano-X True Color Variable ND Filter comes in a stylish and robust box. It contains some product details, as well as some general notes and information. Inside is the Variable ND Filter itself, a storage bag, and some additional information.

The quality of the K&F Concept Nano-X True Color Variable ND Filter is very high and generally very well made. The thread, which on my model is for 72mm lenses, fits perfectly and screws onto my lens very easily. The neutral density filter can be continuously adjusted from ND2 to ND32. This is very practical and space-saving, as you can carry just one filter with you while still covering a wide spectrum. The material the frame and glass are made of is very high quality, and this is reflected in the later image quality. Adjusting it works without any problems, and overall, there is nothing wrong with the product. This variable ND filter from K&F Concept is perfect for my needs. The product does a solid job, and the image quality is very good. My expectations were exceeded, and I am more than satisfied. This product therefore also makes a great gift. This product is very suitable for amateur photographers and professionals alike. Hence, I give it 5 stars. TOP!!!!