The Formatt 4 x 4" Supermist Black 1/4 filter is an excellent filter for portraiture as it diffuses the minute details of a photograph and lowers overall contrast. This filter creates a softer diffusion than a standard Supermist, one of the benefits being that it doesn't open up shadow areas as much. nnAnyone photographing portraits should have a diffusion filter in their bag, and the Supermist Black gives you the freedom to create the most flattering images. nnFormatt, a company with three generations of experience in manufacturing professional filters, produces each filter to the highest technical standards. The finest materials combined with state-of-the-art production technology have resulted in a level of optical excellence unmatched elsewhere. nnNote! Supermist Black filters are available in strengths from 1/8 to 5, with 5 having the greatest effectnnn- Each filter is manufactured from Schott-Desag B270 Crown optical glassn- Absolute colour and density consistency to Kodak Wratten standardsn- Precision grinding and polishing provide unbeatable optical flatness allowing use even on very long focal length lensesn- Filter edges are protected by a unique frame for maximum protection and easy handlingnnnSuper Mist Rangenn- Super Mist Black - softens fine detail and lowers contrast but is more subtle than a standard Supermist with less lightening of shadow areasnn- Super Mist Clear - the ultimate softening tool for creating atmosphere outdoors or indoors, in vast landscapes or portraits; Supermist is excellent for taming excessive sharpness and reducing contrast by moderately lightening shadow areas without harming the overall imagenn- Warm Super Mist Black - Combines the effects of a Super Mist Black with a warmer tonenn- Warm Super Mist Clear - The Warm Super Mist combines the classic Super Mist with a unique complexion enhancer adding natural warmth; This is useful in open shade outdoor situations where there is excess blue in the image and where full lighting control may not be possible