Pentax ist *ist Manual - Page 130

Accessories Optional

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128 ACCESSORIES (OPTIONAL) A number of dedicated accessories are available for this camera. AA-Battery Grip BG-20 Battery grip powered by size-AA batteries. Usability is enhanced with the shutter release and AE lock buttons for vertical positioning of the camera. Battery life ( Using 24-Exposure film rolls) The number of 24-exposure film rolls that can be taken with a new set of alkaline batteries is indicated below. Number of film rolls at 20°C( 68°F) General existing light photography approximately 75 rolls Flash photography with 50% of shooting uses flash Flash photography with 100% of shooting uses flash Bulb exposure time approximately 30 rolls approximately 20 rolls approximately 12 hours When you use the camera in cold climates, it is recommended that you use the camera without the BG-20, since the performance of alkaline batteries, such as those used in the BG-20, deteriorates in cold environments. Cable Switch Cable switch CS-205 Lengths:0.5m

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128
A number of dedicated accessories are available for this camera.
AA-Battery Grip BG-20
Battery grip powered by size-AA
batteries. Usability is enhanced with
the shutter release and AE lock
buttons for vertical positioning of the
camera.
ACCESSORIES (OPTIONAL)
Battery life ( Using 24-Exposure film rolls)
The number of 24-exposure film rolls that can be taken with a
new set of alkaline batteries is indicated below.
Number of film rolls
at 20
°
C( 68
°
F)
General existing light photography
approximately 75 rolls
Flash photography with 50% of
shooting uses flash
approximately 30 rolls
Flash photography with
100
% of
shooting uses flash
approximately 20 rolls
Bulb exposure time
approximately 12 hours
Cable Switch
Cable switch CS-205
Lengths:0.5m
When you use the camera in cold climates, it is recommended that
you use the camera without the BG-20, since the performance of
alkaline batteries, such as those used in the BG-20, deteriorates in
cold environments.