Pentax 21870 Camera Lens User Manual


 
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Lens
DA FISH-EYE 10-17mm f/3.5-4.5ED [IF]
DA 12-24mm f/4ED AL [IF] DA 16-45mm f/4ED AL
Focal length
10-17mm
(35mm conversion
not possible)
12-24mm (equivalent to
approx. 18.5-37mm in
35mm format)
16-45mm (equivalent to
approx. 24.5-69mm in
35mm format)
Elements in groups
10-8 13-11 13-10
Angle of view 180°–100° 99°–61° 83°–35°
Aperture f/3.5–f/4.5 f/4 f/4
Minimum aperture
f/22–f/32 f/22 f/22
Mount type KAF-mount KAF-mount KAF-mount
Minimum focus
distance
0.14m (0.46ft)
(Approximately 2.5cm
from front of lens)
0.3m (0.98ft) 0.28m (0.92ft)
Maximum
magnification
Approx. 0.39× Approx. 0.12× Approx. 0.26×
Filter size Cannot be mounted 77mm 67mm
Lens hood Built-in PH-RBI 77mm PH-RBL 67mm
Max. diameter
× length
68mm × 71.5mm
(2.7in × 2.8in)
84mm × 87.5mm
(3.3in × 3.4in)
72mm × 92mm
(2.8in × 3.6in)
Weight Approx. 320g/11.3oz
Approx. 430g/15.2oz
(with hood approx. 457g/
16.1oz)
Approx. 365g/12.9oz
(with hood approx. 390g/
13.8oz)
Soft case S80-80 S100-120 S90-140
e_da21_20.fm Page 50 Thursday, April 23, 2009 5:34 PM