Ricoh PENTAX K-3 Mark III Faq page 47

*1. Lenses with a maximum aperture of F2.8 or faster. Only available aperture ring at the A
position.
*2. Lenses with a maximum aperture of F5.6 or faster.
*3. Available when using AF540FGZ, AF540FGZll, AF360FGZ, AF360FGZll, AF200FG or
AF160FC.
*4. Only available with compatible lenses.
*5. Distortion Correction and Peripheral Illumination Correction disabled when a DA FISH-EYE
10-17mm lens is used.
*6 To use an FA SOFT 28mm lens, FA SOFT 85mm F2.8 lens, or F SOFT 85mm F2.8
lens, set [Using Aperture Ring] to [Enable] in the [Custom Setting] menu. Pictures can
be taken with the aperture set, but only within a manual aperture range.
*7 The auto zoom and preset zoom are disabled.
*8. The Lens Correction is available with the following FA lenses. (only [Distortion Correction]
and [Lat-Chromatic-Ab adj] can be used when the aperture ring is set to a position other
than A.)
FA* 24mm F2 AL[IF], FA 28mm F2.8AL, FA 31mm F1.8 Limited, FA 35mm F2 AL,
FA 43mm F1.9 Limited, FA 50mm F1.4, FA 77mm F1.8 Limited, FA* 85mm F1.4 [IF],
FA* 200mm F2.8 ED[IF], FA* MACRO 200mm F4 ED, FA* 300mm F2.8 ED[IF], FA* 300mm F4.5 ED[IF], FA*
400mm F5.6 ED[IF], FA* 600mm F4 ED[IF], FA* 28-70mm F2.8 ED[IF], FA* 80-200mm F2.8 ED[IF] and FA*
250-600mm F5.6 ED[IF]
*9 Fixed to [Spot].
*10. Av with the aperture set to wide open. (The aperture ring has no effect on the actual
aperture value.)
Caution:
-When the aperture ring is set to a position other than A, or a lens without an A
position or accessories such as an auto extension tube or auto bellows are used,
the camera does not operate unless [Using Aperture Ring] is set to [Enable] in the
C6 menu.
-When a retractable lens is attached and is not extended, you cannot take pictures or use
some functions. If the lens is retracted during shooting, the camera stops working.
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