What I Loved in the Studio, and What Caught Me Out on the Coast After spending time with the K&F CONCEPT Ultra-Low Reflection Variable ND Filter in the studio, I was genuinely impressed. Long exposures behaved beautifully, reflections were well controlled, and image quality held up exactly as promised. So
The latest addition to K&F CONCEPT’s Nano-X series, the 67mm Ultra-Low Reflection ND2–400 Variable ND Filter, promises a major leap forward in optical performance—and it actually delivers. Designed with their new ultra-low reflection technology, this filter drops reflectivity down to a mere 0.1%, making it one of the cleanest, most
Variable ND filters are a great choice for photographers looking to block some of the light coming into their cameras. They let you easily increase your exposure time, making it key for things like long exposures and video capture. Variable ND filters have their problems though — color shifting, vignetting
