Pentax 21717 manual Built-in Flash, External Flash, ZDA 14mm f/2.8ED if, ZDA 21mm f/3.2 AL Limited

Page 42

40 PRECAUTIONS WHEN USING THE LENS WITH A FLASH

Built-in Flash

The built-in flash can not be used when the distance is less than 0.7m. When the flash is used within 0.7m, it causes incorrect exposure control and vignetting in the picture corners.

•Refer to the “Compatibility of DA Lenses with the Built-in Flash” chart on page 42 for information on the compatibility of the built-in flash with the lens being used.

External Flash

The external flash can be used while the lens hood is attached. However, the following conditions apply to some types of lens.

zDA 14mm f/2.8ED [IF]

The AF540FGZ and AF360FGZ external flash units can only be used when the wide-angle panel is used (it is also possible to use the lens hood). Other external flash units are not recommended because their coverage angle is not compatible with the angle of view of the lens.

zDA 21mm f/3.2 AL Limited

External flash units can be used while the lens hood is mounted without problems if it is possible to set their zoom [coverage angle] up to 28mm.

zDA FISH-EYE 10-17mm f/3.5-4.5ED [IF]

External flash units cannot be used because their coverage angle is not compatible with the angle of view of the lens.

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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 About the DA lens mount KAF-mount KAF2-mount KAF3-mountAbout lenses with a supersonic motor Supersonic motor compatible camera bodyHow to Check and Update the Firmware Memo Mounting and Removing the LensTo mount the lens on the camera body To remove the lensLens CAP Attaching the dedicated lens cap to DA 40mm f/2.8 Limited Focusing Changing the Focus ModeFor the DA lens Using Autofocus Focusing with the OK ButtonDA 18-250mm f/3.5-6.3ED AL if Using Manual Focus Using the Quick-Shift Focus SystemHow to use the Quick-Shift Focus System Using AutofocusMemo DA 200mm f/2.8ED if SDM, DA 300mm f/4ED if SDM focusing Close-distance scale Zoom Lens About the zoom ring About the zoom lock switch Red lineMacro Lens Magnification ScaleAttaching the Lens Hood Screw-on Type DA 70mm f/2.4 Limited dedicated 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 Precaution on filters FiltersPage Memo Circular polarizing filters and vignetting Compatibility table for Pentax circular polarizing filters SDM YES Memo ZDA 14mm f/2.8ED if Built-in FlashExternal Flash ZDA 21mm f/3.2 AL LimitedZDA 12-24mm f/4ED AL if ZDA 16-50mm f/2.8ED AL if SDM zDA 16-45mm f/4ED ALCompatibility of DA Lenses with the Built-in Flash Compatibility Lens DA 50-200mm f/4-5.6ED Tripod Mount Camera position shift lock screw 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
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