Nikon D300s - Manual (Page 115)

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A Power Source and Frame Rate
The frame advance rate varies with the power source used.
Power source Frame advance rate (approx.) 1
Battery (EN-EL3e) 7 fps
AC adapter 7.6 fps 2
MB-D10 battery pack with EN-EL3e battery 7 fps
MB-D10 battery pack with EN-EL4a battery 8 fps 2
MB-D10 battery pack with AA-size batteries 3 7.7 fps 2
1 Average frame rate with continuous-servo AF, manual or shutter-priority auto
exposure, a shutter speed of 1 /
250
s or faster, other settings at default values,
and memory remaining in memory buffer. Frame advance rate when
recording NEF (RAW) or NEF (RAW) + JPEG pictures with
14-bit selected for
NEF (RAW) recording > NEF (RAW) bit depth (0 70) is approximately
2.5 fps. Frame rate drops when vibration reduction (available with VR lenses)
is on.
2 If
On is selected for ISO sensitivity settings > ISO sensitivity auto control in
the shooting menu ( 0 98), frame advance rate in continuous high-speed
mode is approximately 7.5 fps.
3 Frame rate slows at low temperatures and when batteries are low.
A Buffer Size
The approximate number of images that can be
stored in the memory buffer at current settings
is shown in the exposure-count displays in the
viewfinder and control panel while the shutter-
release button is pressed.
The illustration at
right shows the display when space remains in
the buffer for about 37 pictures.