Ricoh Pentax КP - Manual (Page 120)

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The shutter can be released even if the aperture ring of the D
FA, FA, F, or A lens is not set to the 9 position or a lens without
an 9 position is attached.
Select [Enable] in [24 Using Aperture
Ring] of the E4 menu.
The following restrictions apply depending on the lens being
used.
*1 When the mode dial is set to L or M, the aperture can be stopped
down to the selected value.
t Memo
• If the aperture ring is set to a position other than 9, the
camera operates in J mode regardless of the mode dial
setting except when set to L or M mode.
• [F--] appears for the aperture indicator in the status screen,
Live View screen, and viewfinder.
Using the Aperture Ring E 4
Lens Restriction
D FA, FA, F, A, M (lens
only or with automatic
diaphragm accessories
such as Auto Extension
Tube K)
The aperture remains open. *1
The shutter speed changes in
relation to the open aperture but
an exposure deviation may occur.
D FA, FA, F, A, M, S (with
diaphragm accessories
such as Extension Tube K) Pictures can be taken with the set
aperture value but an exposure
deviation may occur.
Manual diaphragm lens
such as reflex lens (lens
only)
FA SOFT 28mm/
FA SOFT 85mm/
F SOFT 85mm
(lens only)
Pictures can be taken with the set
aperture value within a manually
adjustable aperture range.
*1
24 24
23 23 1 1
1 1
2
2
Using Aperture Ring Using Aperture Ring
Disable Disable
Enable
Enable
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
OK OK Cancel Cancel
How to Achieve the Correct Exposure with the Aperture
Ring Not Set to 9
The correct exposure can be achieved by the following
procedures when the aperture ring is not set to 9.
1 Set the mode dial to L.
2 Set the aperture ring to the desired aperture.
3 Press M.
The correct shutter speed will be set.
4 If the correct exposure cannot be achieved, adjust the
ISO sensitivity.