Pentax 21717, 21740, 21580, 21660 manual CE Mark is a Directive conformity mark of the European Union

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HOYA CORPORATION

PENTAX Imaging Systems Division

	2-36-9,Maeno-cho, Itabashi-ku, Tokyo 174-8639, JAPAN (http://www.pentax.jp)
PENTAX Europe GmbH	Julius-Vosseler-Strasse 104, 22527 Hamburg, GERMANY
(European Headquarters) (HQ - http://www.pentaxeurope.com) (Germany - http://www.pentax.de)
PENTAX U.K. Limited	PENTAX House, Heron Drive, Langley, Slough, Berks SL3 8PN, U.K. (http://www.pentax.uk)
PENTAX France S.A.S.	112 Quai de Bezons, B.P. 204, 95106 Argenteuil Cedex, FRANCE (http://www.pentax.fr)
PENTAX Italia S.r.l.	Via Dione Cassio 15, 20138 Milano, ITALY (http://www.pentaxitalia.it)
PENTAX (Schweiz) AG	Widenholzstrasse 1, 8304 Wallisellen, Postfach 367 8305 Dietlikon, SWITZERLAND
	(http://www.pentax.ch)

PENTAX Europe GmbH (Tyskland) Filial Sverige

Box 650, 75127 Uppsala, SWEDEN (http://www.pentax.se)

PENTAX Imaging Company

A Division of PENTAX of America, Inc.

	(Headquarters)
	600 12th Street, Suite 300 Golden, Colorado 80401, U.S.A.
	(PENTAX Service Department)
	12000 Zuni Street, Suite 100B Westminster, Colorado 80234, U.S.A.
	(http://www.pentaximaging.com)
PENTAX Canada Inc.	1770 Argentia Road Mississauga, Ontario L5N 3S7, CANADA (http://www.pentax.ca)
PENTAX Trading	23D, Jun Yao International Plaza, 789 Zhaojiabang Road, Xu Hui District, Shanghai, 200032
(SHANGHAI) Limited	CHINA (http://www.pentax.com.cn)

The CE Mark is a Directive conformity mark of the European Union.

✩Specifications and external dimensions are subject to change without notice.

	Copyright  HOYA CORPORATION 2008
57298ENG	H17-200806 Printed in Vietnam

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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 Mounting and Removing the Lens To mount the lens on the camera bodyMemo To remove the lensLens CAP Attaching the dedicated lens cap to DA 40mm f/2.8 Limited For the DA lens FocusingChanging the Focus Mode 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 Built-in Flash External FlashZDA 14mm f/2.8ED if 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