Notes On [22. Using Aperture Ring] - Pentax K-r Operating Manual

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Notes on [22. Using Aperture Ring]

When [22. Using Aperture Ring] is set to
[Permitted] in the [A Custom Setting 4]
menu, the shutter can be released even if the
aperture ring of the D FA, FA, F or A lens is
not set to the s (Auto) position or a lens
without an s position is attached. However,
some features will be restricted as shown
below.
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)
11
All lenses
If the aperture is set to a position other than s, the camera operates in c
(Aperture Priority) mode regardless of the mode dial setting except when set to
a (Manual) or C (Movie) mode.
Exposure
Mode
The aperture remains open regardless
of the aperture ring position. The
c (Aperture shutter speed changes in relation to
Priority) mode the open aperture but an exposure
error may occur. In the viewfinder,
[F--] appears for the aperture indicator.
c (Aperture
Pictures can be taken with a specified
Priority) mode
aperture value but an exposure error
may occur. In the viewfinder, [F--]
c (Aperture
appears for the aperture indicator.
Priority) mode
Pictures can be taken with a specified
aperture value in the manual aperture
range. In the viewfinder, [F--] appears
c (Aperture for the aperture indicator.
Priority) mode When the depth of field is checked
(Optical Preview), exposure metering
starts and the exposure can be
checked.
Pictures can be taken with a set
aperture value and shutter speed. In
the viewfinder, [F--] appears for the
a (Manual)
aperture indicator. When the depth of
mode
field is checked (Optical Preview),
exposure metering starts and the
exposure can be checked.
22. Using Aperture Ring
1 Prohibited
Permitted
2
Shutter will release when
aperture ring is not set to the
"A" position
MENU Cancel
Restriction
OK OK