Sigma 10-20mm F4-5.6 EX DC HSM is an Auto Focus (AF) Wideangle Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Four Thirds mount cameras.
Lens Mount
Sigma 10-20mm F4-5.6 EX DC HSM is compatible with cameras that have
Four Thirds lens mount. Some of the latest released cameras that are compatible with the Four Thirds lenses are
,
and
.
Sensor Coverage
Max sensor coverage of Sigma 10-20mm F4-5.6 EX DC HSM is
APS-C / DX.
Focal Range
Sigma 10-20mm F4-5.6 EX DC HSM has a focal range of 10-20mm and 2.0X zoom ratio.
Optical Image Stabilization
Sigma 10-20mm F4-5.6 EX DC HSM doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Body Colour
Sigma 10-20mm F4-5.6 EX DC HSM is available in Black color.
Zoom Method
Sigma 10-20mm F4-5.6 EX DC HSM features
Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Maximum Magnification Ratio
Sigma 10-20mm F4-5.6 EX DC HSM has a Max Magnification Ratio of
0.15x and has a minimum focusing distance of
0.24m.
Aperture
Sigma 10-20mm F4-5.6 EX DC HSM is a variable aperture lens with a max aperture of f4 and a minimum aperture of f22 at 10mm, and a max aperture of f5.6 and minimum aperture of f32 at 20mm .
Optical Formula
Sigma 10-20mm F4-5.6 EX DC HSM's optical formula consists of 14 elements in 10 groups.
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