K&F Concept Nano-X Variable ND Filter Review

A neutral density (ND) filter reduces the amount of light entering your lens. Since photographers typically want more light, blocking some light sounds like a crazy idea. But for long exposure photography when you want to purposefully introduce motion blur, or for when you need a longer shutter speed for video or flash photography, neutral density filters are often essential. In this article, I’ll be reviewing one such filter: the K&F Concept Nano-X variable 1-9 stop ND filter. This is a relatively affordable filter, costing $73 in the 58mm size that I tested.