The 1/4-grade K&F Concept Black Diffusion Filter helps to reduce the value of the highlights while slightly lowering the overall contrast. This filter is especially useful for smoothing out and softening facial wrinkles and other blemishes. This filter can be used for fashion and beauty applications in both photography and video. Unlike a traditional diffusion or soft focus filter, black diffusion filters provide little loss of detail across the image thanks to their double-polishing process, promoting high-definition image quality. The 1/4 density is rated for 84% light transmittance, allowing for a soft, pastel-like quality of light and providing more contrast and highlight reduction than the 1/8 density but less than the 1/2 density.
The filter features high-quality optical glass with 28 multicoated layers that render the filter’s surfaces waterproof, scratch resistant, and oilproof. A slim, aviation-grade aluminum frame surrounds the glass and features machined grooves for easy handling.
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