Pentax 21580 Camera Lens User Manual


 
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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.
21.5mm in 35mm format)
21mm (equivalent to approx.
32mm in 35mm format)
35mm (equivalent to approx.
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
distance
0.17m (0.56ft) 0.2m (0.66ft) 0.139m (0.46ft)
Maximum
magnification
Approx. 0.19× Approx. 0.17× Approx. 1.00×
Filter size 77mm 49mm or 43mm 49mm
Lens hood PH-RBH 77mm MH-RBA 43mm Built-in
Max. Diameter
× Length
83.5mm × 69mm
(3.3in × 2.7in)
63mm × 25mm
(2.5in × 1.0in)
63mm × 46.5mm
(2.5in × 1.9in)
Weight
Approx. 420g/14.8oz
(with hood approx. 455g/
16oz)
Approx. 140g/4.9oz
(with hood approx. 155g/
5.5oz)
Approx. 215g/7.58oz
Soft case S100-120 Dedicated case Soft case DA70
e_kl577_17.fm Page 46 Monday, June 9, 2008 4:00 PM