Kodak Tri-X Pro 320 ISO 4x5/50 Sheet Box Darkroom Supplies 3 reduces exposure by 1

3 reduces exposure by 1 full stop

The light bar lock provides constant illumination by not having to hold the button

Contains an indicator to signal exhaustion

Designed for years of service without the bulk of some other diffusers

Coated nylon fabric

Kodak Tri-X Pro 320 ISO 4x5/50 Sheet Box Darkroom Supplies 3 reduces exposure by 1Kodak Tri X 320 features excellent tone gradation and brilliant highlights. It is especially well suited to low flare interior lighting or flash illumination. It is also useful for portraiture with low contrast back lighting outdoors. Features 4x5 Sheet Film 3. 9 mil acetate base 7 mil ESTAR Thick Base Classic grain structure for low light and action Fine grain, high sharpness Wide exposure latitude A maximum pushability to EI 1600