Agfa 1913 ADAgfa 1942 AD "AgfaPhoto's APX 400 Professional Black and White Negative Film is a high speed black and white film... The film exhibits a high nominal sensitivity of ISO 400/27° and can effectively be pushed to ISO 1600/33° for use in low-light conditions and with fast-moving subjects... The film also responds to push and… Continue reading Developing Adventures- Pushing AgfaPhoto APX 400 to 800