Pentax 21760, 21717, 21740, 21580, 21660, 21650, 21507 manual About the zoom lock switch, Red line

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24

LOCK

1

About the zoom lock switch

LOCK

Red line

2

The DA 18-250mm f/3.5-6.3ED AL [IF] is equipped with a zoom ring lock. This prevents the lens from extending under its own weight while you are carrying the camera.

1.Set the zoom ring to the widest angle (18mm).

2.Move the lock switch in the direction of 1.

The lock is engaged and the zoom ring is immovable when the red line is visible. To zoom in the telephoto direction, move the lock switch in the direction of 2.

*If the switch does not move, the lens may be extended. Do not attempt to force the switch. Check the lens and try again.

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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 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 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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