Tiffen 4 x 5.65" Ultra Contrast Filter Diffusion They are available in 5

They are available in 5 strengths:  +1/4

The completely redesigned optics feature a fast T1

DZOFilm X-Tract 18-28mm FF Probe T8

such as skies

5 to 180 Seconds

Tiffen 4 x 5.65" Ultra Contrast Filter Diffusion They are available in 5The 4 x 5. 65" Ultra Contrast Filter from Tiffen helps to open your shadows by using the ambient light surrounding the image area as well as the light in the actual image itself. It lowers contrast uniformly throughout, with little or no loss of sharpness within the scene, even where there are varying degrees of brightness. Shadow areas will reveal more detail but without any flare or halation from direct light sources or bright reflections. The Ultra