Ilford Delta 3200 Professional allows photographers to take pictures under difficult conditions including fast action and poor lighting. With a measured speed of up to ISO 1250 (up to ISO 1600 when developed in Ilford microphen developer) the film has been designed to be push processed to achieve its nominal speed of EI 3200. It may be further pushed to EI 12,500 with a change of developer, or pulled to provide results equivalent to the best ISO 400 films.