This black and white contrast kit consists of the following filters: a Yellow 8, A Yellow-Green 11, an Orange 21, a Light Red 23A a Lee Gel Snap. The Gel Snap is Lee's easy and affordable filter holder. Simply insert your 4 x 4" filter, snap it shut, and "snap" it on to any lens 82mm or smaller using the included "Elastomeric Tension Device", also known as an "E.T.D.", i.e, rubber band.
The Lee polyester filters in this kit measure 4 x 4" (100 x 100mm).
LEE Filters GSBW Specs
Black & White Contrast #8 Yellow Black & White Contrast #11 Yellow/Green Black & White Contrast #21 Orange Black & White Contrast #23A Orange/Light Red