Pentax 21740, 21717 ZDA 12-24mm f/4ED AL if, ZDA 16-50mm f/2.8ED AL if SDM zDA 16-45mm f/4ED AL

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zDA 12-24mm f/4ED AL [IF]

PENTAX external flash units which cover a 24mm lens on a 35mm SLR, or 16mm lens on a digital SLR, can be used when the lens is set from 16mm to 24mm.

AF540FGZ and AF360FGZ can be used from 13mm to 24mm with the wide angle panel (In both cases, it is possible to use the lens hood). Please note that at focal lengths less than 13mm the corners of the picture will not be fully illuminated.

Other external flash units are not recommended, because their coverage angle is not wide enough to cover the angle of view of the lens.

zDA 16-50mm f/2.8ED AL [IF] SDM zDA 16-45mm f/4ED AL

PENTAX external flash units which cover a 24mm lens on a 35mm SLR, or 16mm lens on a digital SLR, can be used with the lens hood without problems.

* For more information, refer to the manual for the external flash unit.

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Contents Smc PENTAX-DA Interchangeable Lens Foreword Using Your Lens Safely Precautions and Lens Maintenance CONTENTS3 Attaching the Lens Hood Precautions When Using the Lens with a Flash Features of the smc PENTAX-DA Lens Smc PENTAX-DA Lens KAF-mount KAF2-mount KAF3-mount About the DA lens mountSupersonic motor compatible camera body About lenses with a supersonic motorHow to Check and Update the Firmware To remove the lens Mounting and Removing the LensTo mount the lens on the camera body MemoLens CAP Attaching the dedicated lens cap to DA 40mm f/2.8 Limited Changing the Focus Mode FocusingFor the DA lens Focusing with the OK Button Using AutofocusDA 18-250mm f/3.5-6.3ED AL if Using the Quick-Shift Focus System Using Manual FocusUsing Autofocus How to use the Quick-Shift Focus SystemMemo DA 200mm f/2.8ED if SDM, DA 300mm f/4ED if SDM focusing Close-distance scale Zoom Lens About the zoom ring Red line About the zoom lock switchMagnification Scale Macro LensScrew-on Type DA 70mm f/2.4 Limited dedicated lens hood Attaching the Lens HoodLens hood attaching index Bayonet Type DA 21mm f/3.2 AL Limited dedicated lens hood About the PL filter window How to use the lens hood with polarizing filter window Built-in lens hood Filters Precaution on filtersPage Memo Circular polarizing filters and vignetting Compatibility table for Pentax circular polarizing filters SDM YES Memo ZDA 21mm f/3.2 AL Limited Built-in FlashExternal Flash ZDA 14mm f/2.8ED ifZDA 16-50mm f/2.8ED AL if SDM zDA 16-45mm f/4ED AL ZDA 12-24mm f/4ED AL ifCompatibility of DA Lenses with the Built-in Flash Compatibility Lens DA 50-200mm f/4-5.6ED Camera position shift lock screw Tripod Mount Tripod MountRemoving the Tripod Mount Main Specifications Lens DA 40mm f/2.8 Limited DA 70mm f/2.4 Limited 300mm equivalent to Lens DA 16-45mm f/4ED AL DA18-55mm f/3.5-5.6 AL DA 50-135mm f/2.8ED if SDM Statement of FCC Compliance Memo CE Mark is a Directive conformity mark of the European Union