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MyGate
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Lens   
     
product page view details view details view details
price R 7,449.00 R 8,569.00 R 6,139.00
model 411404 203566 201401
name 20mm f/1.8 EX DG ASP RF Super Wide-angle Lens for Sigma 8-16mm F4.5-5.6 DC HSM Ultra Wide Angle Zoom Lens for Sigma 10-20mm F4-5.6 EX DC HSM Ultra Wide Angle Zoom Lens for Sigma
details Auto / Manual focus, Aspherical, Rear focus, 20cm Closest focusing distance, 1:4 reproduction ratio, 82mm filter size Auto / Manual focus, Aspherical, Internal focus, 24cm Closest focusing distance, 1:7.8 reproduction ratio, 72mm filter size HSM motor, Auto / Manual focus, Aspherical, Internal focus, 24cm Closest focusing distance, 1:6.7 reproduction ratio, 77mm filter size
warranty 3 years 3 years 3 years
General
Model
Lens Type
Ultra Wide Angle
Ultra Wide Angle
Ultra Wide Angle
Focal Length
20-20 mm
8-16 mm
10-20 mm
Zoom / Fixed
Fixed
Zoom
Zoom
Lens Mount
Sigma
Sigma
Sigma
Dust and Splash Proof <not specified> <not specified> <not specified>
Min. Focal Length (mm)
20 mm
8 mm
10 mm
Max. Focal Length (mm)
20 mm
16 mm
20 mm
Performance
Focusing
Auto / Manual
Manual / Auto
Manual / Auto
Closest Focusing Distance
20 cm
24 cm
24 cm
Silent motor
-
Yes
Yes
Angle of View
94.5
114.5 - 75.7
102.4 - 63.8
Maximum Aperture
f/1.8
f/4.5
4 - 5.6
Minimum Aperture
f/22
f/5.6
f/22
Max Magnification Ratio
1:4
1:7.8
1:6.7
Image Stabilizer
-
-
-
Aspherical Lens
Yes
Yes
Yes
Construction
Lens Construction (elements/groups)
13/11
15/11
14/10
Diaphragm Blades
9
7
6
Rear Focus
Yes
 <not specified> <not specified>
Internal Focus <not specified>
Yes
Yes
Physical Characteristics
Filter Diameter
82 mm
72 mm
77 mm
Diameter
89
75
84
Length
90
106
81
Weight
520
555
470