Pentax 21870 Camera Lens User Manual


 
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Lens DA 35mm f/2.8 Macro LimitedDA 40mm f/2.8 Limited DA
55mm f/1.4 SDM
Focal length
35mm (equivalent to approx.
53.5mm in 35mm format)
40mm (equivalent to approx.
61mm in 35mm format)
55mm (equivalent to approx.
84.5mm in 35mm format)
Elements in groups
9-8 5-4 9-8
Angle of view 44° 39° 29°
Aperture f/2.8 f/2.8 f/1.4
Minimum aperture
f/22 f/22 f/22
Mount type KAF-mount KAF-mount KAF3-mount
Minimum focus
distance
0.139m (0.46ft) 0.4m (1.31ft) 0.45m (1.48ft)
Maximum
magnification
Approx. 1.00× Approx. 0.13× Approx. 0.17×
Filter size 49mm 49mm or 30.5mm 58mm
Lens hood Built-in MH-RC 49mm PH-RBH 58mm
Max. diameter
× length
63mm × 46.5mm
(2.5in × 1.8in)
63mm × 15mm
(2.5in × 0.6in)
70.5mm × 66mm
(2.8in × 2.6in)
Weight Approx. 215g/7.6oz
Approx. 90g/3.2oz
(with hood approx. 100g/
3.5oz)
Approx. 375g/13.2oz
(with hood approx. 420g/
14.8oz)
Soft case Soft case DA70 Dedicated case S90-100
e_da21_20.fm Page 48 Thursday, April 23, 2009 5:34 PM