Pentax K-x Black K-x Black K-x Manual - Page 286

284 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, the features will be restricted as shown below. 22. Using Aperture Ring 1 Prohibited 2 Permitted Shutter will release when aperture ring is not set to the "A" position MENU Cancel OK OK Restrictions on using lenses with aperture ring set to a position other than s Lens Used Exposure Mode Restriction D FA, FA, F, A, M (lens only or with auto diaphragm accessories such as auto extension tube K) 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. D FA, FA, F, A, M, S (with diaphragm accessories such as extension tube K) c (Aperture Priority) mode Pictures can be taken with the specified aperture value but an exposure error may occur. In the Manual diaphragm lens such c (Aperture viewfinder, [F--] appears for the as reflex lens (lens only) Priority) mode aperture indicator. FA, F SOFT 85mm, FA SOFT 28mm (lens only) Pictures can be taken with the specified aperture value in the manual aperture range. In the viewfinder, [F--] c (Aperture appears for the aperture indicator. Priority) mode When the depth of field is checked (Optical Preview), exposure metering starts and the exposure can be checked. 11 All lenses a (Manual) mode Pictures can be taken with the set aperture value and shutter speed. In the viewfinder, [F--] appears for the aperture indicator. When the depth of field is checked (Optical Preview), exposure metering starts and the exposure can be checked. Appendix 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 other than the s position.