The LEE100 25 Tricolour Red Standard Filter  is a colour control filter.  Separation filter. Maximum transmission above 610 nanometres.  Also used for black & white contrast effects, haze penetration in aerial...

The LEE100 No.11 Yellowish Green Filter used for Black & White Photography. Used to alter the response of panchromatic emulsions, to be equivalent to the natural response of the eye...

The LEE100 No.12 Deep Yellow Filter used for Black & White Photography. Minus blue filter.  Can be used to cancel blue light when infrared-sensitive films are exposed.  Also penetration of...

The LEE100 No.15 Deep Yellow Filter used for Black & White Photography. Increases contrast between cloud and sky greater than No.8, for over-correction effect. Also used for copying documents on...

The LEE100 No.16 Yellow Orange Filter used for Black & White Photography. Gives an even greater over-correction than No.15.  Absorbs a small amount of green. This filter is 100mm x...

The LEE100 No.23A Light Red Filter is used in Black & White photography for creative effect.  Greater contrast effect than No.21. For use with the LEE Filters LEE100 system this filter is 100mm x 100mm

The LEE100 No.3 Light Yellow Filter used for Black & White Photography. Partially corrects for excess blue in aerial photography. This filter is 100mm x 100mm

The LEE100 No.8 Yellow Filter used for Black & White Photography. Darkens sky, cloud and foliage to reproduce correct tones. This filter is 100mm x 100mm