Pentax K-5 Operating Manual page 121

• The sensitivity cannot beset t o[AUTO] in
M mode. When the sensitivity is
set to [AUTO] and the exposure mode is changed to M mode. the sensitivity
is also changed to the lowest value set in "Setting the Range of Automatic
Sensitivity Correction" (p.96).
• The shutter speed and aperture value can be set in increments of 1/3 EV or
1/2 EV. Set the exposure steps in [1. EV Steps] of the [C Custom Setting 1]
menu. (p.120)
• Since the bar graphs in the viewfinder and
on the LCD panel display the amount of
camera tilt to the left or right, the
difference from the proper exposure is
displayed as a number when [Electronic Level] is set to _ (On).
S _
Combining with AE-L
When the exposure is locked (p.121) by pressing the AE-L button in
M mode, if the shutter speed or aperture value is changed, the
combination of shutter speed and aperture value changes while the
exposure value is retained.
Example: If the shutter speed is 1/125 sec. and aperture is F5.6 and
these settings are locked with the AE-L button, the
aperture automatically changes to F11 if the shutter speed
is changed to 1/30 sec. with the front e-dial (,,'_;).