Pentax 21507, 21717, 21740, 21580, 21660, 21650, 21760 manual Main Specifications

Page 48

		MAIN SPECIFICATIONS
	46	MAIN SPECIFICATIONS

*For use with any PENTAX digital SLR camera.

*AL = Uses an aspheric lens, ED = lens made with extra-low dispersion glass, IF = inner focus-type lens, SDM = lens with a supersonic motor

	Lens	DA 14mm f/2.8ED [IF]	DA 21mm f/3.2 AL Limited	DA 35mm f/2.8 Macro Limited
	Focal length	14mm (equivalent to approx.	21mm (equivalent to approx.	35mm (equivalent to approx.
	Focal length	21.5mm in 35mm format)	32mm in 35mm format)	53.5mm in 35mm format)
		21.5mm in 35mm format)	32mm in 35mm format)	53.5mm in 35mm format)
	Elements in groups	12-11	8-5	9-8
	Angle of view	90°	68°	44°
	Aperture	f/2.8	f/3.2	f/2.8
	Minimum aperture	f/22	f/22	f/22
	Mount type	KAF-mount	KAF-mount	KAF-mount
	Minimum focus	0.17m (0.56ft)	0.2m (0.66ft)	0.139m (0.46ft)
	distance	0.17m (0.56ft)	0.2m (0.66ft)	0.139m (0.46ft)
	distance
	Maximum	Approx. 0.19×	Approx. 0.17×	Approx. 1.00×
	magnification	Approx. 0.19×	Approx. 0.17×	Approx. 1.00×
	magnification
	Filter size	77mm	49mm or 43mm	49mm
	Lens hood	PH-RBH 77mm	MH-RBA 43mm	Built-in
	Max. Diameter	83.5mm × 69mm	63mm × 25mm	63mm × 46.5mm
	× Length	(3.3in × 2.7in)	(2.5in × 1.0in)	(2.5in × 1.9in)
		Approx. 420g/14.8oz	Approx. 140g/4.9oz
	Weight	(with hood approx. 455g/	(with hood approx. 155g/	Approx. 215g/7.58oz
		16oz)	5.5oz)
	Soft case	S100-120	Dedicated case	Soft case DA70

Image 48

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 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 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