Using The Aperture Ring - Pentax K-50 Operating Manual

Using the Aperture Ring

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 position or a lens without an s position is
attached.
Select [Enable] in [22. Using Aperture Ring]
of the [A Custom Setting 4] menu.
The following restrictions apply depending
on the lens being used.
Lens Used
D FA, FA, F, A, M (lens only
or with automatic
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 SOFT 28mm,
FA SOFT 85mm,
F SOFT 85mm
(lens only)
All lenses
If the aperture ring is set to a position other than s, the camera operates in c
mode regardless of the mode dial setting except when set to a or C mode.
Capture
Mode
The aperture remains open regardless of
the aperture ring position. The shutter
speed changes in relation to the open
c
aperture but an exposure deviation may
occur. [F--] appears for the aperture
indicator.
Pictures can be taken with a specified
c
aperture value but an exposure
deviation may occur. [F--] appears for
the aperture indicator.
c
Pictures can be taken with a specified
aperture value in the manual aperture
range. [F--] appears for the aperture
c
indicator.
The exposure can be checked with
Optical Preview.
Pictures can be taken with a set aperture
value and shutter speed. [F--] appears
for the aperture indicator.
a
The exposure can be checked with
Optical Preview.
22. Using Aperture Ring Using Aperture Ring
22.
Disable Disable
1 1
Enable Enable
2 2
Shutter will release when Shutter will release when
aperture ring is not set to the aperture ring is not set to the
"A" position "A" position
Cancel Cancel
MENU
Restriction
265
OK OK
OK
10