Pentax 21740, 21717, 21580, 21660, 21650, 21760, 21507 manual 300mm equivalent to

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48

Lens

DA 300mm f/4ED [IF] SDM

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

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

 

300mm (equivalent to

10-17mm(35mm conversion

12-24mm (equivalent to

Focal length

approx. 460mm in 35mm

not possible)

approx. 18.5-37mm in

 

format)

 

35mm format)

Elements in groups

8-6

10-8

13-11

Angle of view

5.4°

180°–100°

99°–61°

Aperture

f/4

f/3.5–f/4.5

f/4

Minimum aperture

f/32

f/22–f/32

f/22

Mount type

KAF2-mount

KAF-mount

KAF-mount

Minimum focus

 

0.14m (0.46ft)

 

1.4m (4.67ft)

(Approximately 2.5cm

0.3m (0.98ft)

distance

 

from front of lens)

 

 

 

 

Maximum

Approx. 0.24×

Approx. 0.39×

Approx. 0.12×

magnification

 

 

 

Filter size

77mm

Cannot be mounted

77mm

Lens hood

PH-RBK 77mm

Built-in

PH-RBI 77mm

Max. Diameter

83mm × 184mm

68mm × 71.5mm

84mm × 87.5mm

× Length

(3.3in × 7.4in)

(2.7in × 2.8in)

(3.3in × 3.4in)

 

Approx. 1070g/37.74oz

 

 

 

(with hood approx. 1160g/

 

Approx. 430g/15.2oz

Weight

40.91oz)

Approx. 320g/11.3oz

(with hood approx. 457g/

 

(with hood + tripod attachment

 

16.1oz)

 

approx. 1240g/43.73oz)

 

 

Soft case

S120-210

S80-80

S100-120

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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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