Pentax SMC DA 18-250 Operation Manual - Page 52

KAF KAF KAF

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50 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 68mm × 71.5mm × length (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 Approx. 365g/12.9oz (with hood approx. 457g/ (with hood approx. 390g/ 16.1oz) 13.8oz) Soft case S80-80 S100-120 S90-140

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50
50
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
K
AF
-mount
K
AF
-mount
K
AF
-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. 320
g
/11.3oz
Approx. 430
g
/15.2oz
(with hood approx. 457
g
/
16.1oz)
Approx. 365
g
/12.9oz
(with hood approx. 390
g
/
13.8oz)
Soft case
S80-80
S100-120
S90-140