Pentax K-m/K2000 Operating Manual page 244

242
Restrictions on using lenses with aperture ring set to a position other
than s
Lens Used
D FA, FA, F, A, M (lens
only or with auto
diaphragm accessories
such as auto extension
tube K)
D FA, FA, F, A, M, S (with
diaphragm accessories
such as extension tube K)
Manual diaphragm lens
such as reflex lens (lens
only)
FA, F soft 85mm FA soft
28mm (lens only)
All lenses
The camera operates in c (Aperture Priority) mode regardless of the mode
dial setting other than a (Manual) mode when the aperture is set to a value
other than the s position.
12
Exposure Mode
The aperture remains open
regardless of the aperture ring
position. The shutter speed
c (Aperture
changes in relation to the open
Priority) mode
aperture but an exposure error may
occur. In the viewfinder, [F--]
appears for the aperture indicator.
c (Aperture
Pictures can be taken with the
Priority) mode
specified aperture value but an
exposure error may occur. In the
viewfinder, [F--] appears for the
c (Aperture
aperture indicator.
Priority) mode
Pictures can be taken with the
specified aperture value in the
c (Aperture
manual aperture range. In the
Priority) mode
viewfinder, [F--] appears for the
aperture indicator.
Pictures can be taken with the set
aperture value and shutter speed.
In the viewfinder, [F--] appears for
the aperture indicator. When the
a (Manual)
mc button is pressed, stop-down
mode
metering is performed and the
shutter speed is set for the
appropriate exposure for the
aperture value set manually.
Restriction