Pentax Zoom 90 - Automatic Film Speed Setting

DX FILM Petiorations Film cartridge
After reading this instruction manual to familiarize yourself Automatic film speed setting
with operations, you’re ready to insert the film. This camera is designed to use DX-coded films with ISO
ratings from 50 to 1600. When such film is loaded, its film
speed is automatically set in the camera.
Notes:
• When buying DX film, make sure the package bears the
’’DX’’ mark.
• If non-DX film is loaded, the film speed will be automati¬
cally set to ISO 100. regardless of the film's actual
speed.
• Use high-speed film with an ISO rating of 1000 or 1600
mainly for shooting indoors or in dimly-lit conditions.