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BASIC OPERATION (PREPARATION)
• This camera requires battery power for operation. Always use six 1.5V AA size batteries.
• The ISO film speed and number of exposed frames are unchanged if the batteries are replaced.
• Keep spare batteries on hand when shooting out doors or while traveling.
• Use of the optional Remote Battery Pack 645 and Power Cord 645 is recommended when the camera is
to be under the extremely low temperatures.
• Replace all the batteries at the same time. Do not mix battery brands, types or old batteries with new.
• Remove batteries when not using the camera for long periods of time as the batteries may leak after time.
Battery Life
[20°C/68°F]
Alkaline Battery Lithium Battery
120 film holder: about 130 rolls about 320 rolls
220 film holder: about 100 rolls about 250 rolls
Bulb exposure time about 8 hours about 12 hours
120 film holder:
220 film holder:
Bulb exposure time
Alkaline Battery
about 7 rolls
about 5 rolls
about 6 hours
Lithium Battery
about 120 rolls
about 90 rolls
about 10 hours
Battery Life
[–10°C/14°F]
• The batteries were used under Pentax testing conditions. Actual battery life and performance may vary
drastically depending on external conditions such as temperature and freshness of the battery.
• Battery performance may be temporarily hindered in low temperatures, but should recover in normal tem-
peratures.