Pentax K-m/K2000 Notes on [19. Using Aperture Ring]

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Lens names and mount names

DA lenses with an ultrasonic motor and FA zoom lenses with power zoom use the KAF2 mount.

DA lenses with ultrasonic motor and no AF coupler use the KAF3 mount. FA prime lenses (non-zoom lenses), DA or DA L lenses without ultrasonic motors and D FA, FA J and F lenses use the KAF mount.

See the lens manual for details. Note that this camera is not equipped with a power zoom function.

Lenses and accessories that cannot be used with this camera When aperture ring is set at other than the s(Auto) position or a lens without an sposition or accessories such as an auto extension tube or auto bellows are used, the camera does not operate unless [19. Using aperture ring] is set to [Permitted] in the [ACustom Setting 3] menu. Refer to “Notes on [19. Using Aperture Ring]” (p.241) for restriction that apply. All camera exposure modes are available when using DA/DA L/FA J or lenses with an Aperture sposition set to the sposition.

Lens and Built-in Flash

The built-in flash cannot be regulated and fully discharges when A lenses not set to the s(Auto) position, pre A lenses or soft focus lenses are used. Note that the built-in flash cannot be used as an Auto Flash.

Notes on [19. Using Aperture Ring]

When [19. Using aperture ring] is set to [Permitted] in [ACustom Setting 3] 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 sposition is attached. However, the features will be restricted as shown below.

19. Using aperture ring

Prohibited

Permitted

Pictures can be taken even when aperture ring position is other than A

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Appendix