Abstract: The temperature conditioner device for use with photographic equipment that uses self-developing film using the diffusion transfer process comprises a processor including a thermal insulated housing having at least one opening in a wall of said housing for inserting an exposed photograph and at least one compartment for accommodating the photograph, means for controlling the internal temperature and means for measuring and indicating the internal temperature, as well as a thermal case for receiving the processor and at least one spare film, whereby the thermal case also includes means for warming up.