Large aperture standard zoom lens with a minimum focal length of
17mm, designed exclusively for digital SLR cameras and
incorporating Sigma's original OS (Optical Stabilizer).
The OS function offers the use of shutter speeds approximately 4
stops slower than would otherwise be possible. The lens has a
compact construction with an overall length of 91.8mm. This compact
and lightweight construction makes the lens ideal for travel
photography. Two FLD (“F” Low Dispersion) glass elements, two glass
mold and one hybrid aspherical lens provide excellent correction
for all types of aberrations. This lens has superior peripheral
brightness and provides sharp and high contrast images even at the
maximum apertures. The incorporation of HSM (Hyper Sonic Motor)
provides fast and quiet AF.
General
Lens
Autofocus: |
Yes
|
Diagonal Angle Of View (max): |
72.4 °
|
Diaphragm Blades: |
7
|
Focal Length (35mm Film Equivalent): |
25.5 - 75
|
Focal Length Range (f-f): |
17 - 50
|
General Diameter: |
8.35
|
Lens Structure (elements/groups): |
17/13
|
Magnification: |
1:5.0 x
|
Maximum Aperture: |
22
|
Compatibility
Physical Specification
Filter Size: |
7.7
|
Weight (kg): |
0.565
|
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