These films are properly stored and can be used well beyond the best-by date. The date mentioned is not an expiration date (as with food) but simply the time specified by the manufacturer by which the film should be developed; experience shows that this time can be exceeded by a wide margin.
The CineStill Xpro C-41 50 Daylight is a low-speed color negative film with a nominal speed of ISO 50/18°. The Xpro C-41 50 Daylight is considered one of the finest-grained and sharpest color negative films in the world. It is characterized by unparalleled highlight rendering, dynamic color fidelity, maximum resolution, and exceptional sharpness
