Urth Ethereal ¼ Black Mist Lens Filter (Plus+) The Ethereal 1/4 Diffusion Lens Filter Plus+ from Urth diffuses bright and close light sources to soften contrast and create a smooth haze effect. When used with modern digital cameras, the filter softens extreme sharpness and replicates the cinematic qualities of film photography. Part of the Plus+ range, the filter features 20-layers of nano-coating for easier cleaning and better protection against water, oil, and scratches. These layers also provide a higher maximum light transmission and a more consistent transmission curve for sharper images, finer colours, and greater depth. The Ethereal 1/4 Diffusion Lens Filter Plus+ diffuses more light to create a stronger haze effect and contrast lift. It works best with bright and close light sources. Soften extreme sharpness captured by modern digital cameras and replicate the cinematic qualities of film photography. 20-layer nano-coating provides neutral colour balance, reduces lens flare, removes ghosting, and protects against scratches. The filter is double-threaded for stacking filters or using screw-mount lens caps. The consciously designed ultra-slim rim avoids vignetting. It is built with German Schott glass for true light transmittance and supreme image quality.