Canon EF-S 10-22mm f/3.5-4.5 USM on Canon EOS 7D vs Sigma 10-20mm F3.5 EX DC HSM Canon on Canon EOS 7D

COMPARISON SELECTION (3 selected items max.)

Canon EF-S 10-22mm f/3.5-4.5 USM

Canon EF-S 10-22mm f/3.5-4.5 USM

DXOMARK Score
Best at f=10mm & f/3.5 [?]	12

Lens Metric Scores
Sharpness [?]	7 P-Mpix
Transmission [?]	4.3 TStop
Distortion [?]	0.2 %
Vignetting [?]	-1.4 EV
Chr. aberration [?]	11 µm

Sigma 10-20mm F3.5 EX DC HSM Canon

Sigma 10-20mm F3.5 EX DC HSM Canon

DXOMARK Score
Best at f=10mm & f/3.5 [?]	14

Lens Metric Scores
Sharpness [?]	8 P-Mpix
Transmission [?]	3.9 TStop
Distortion [?]	0.4 %
Vignetting [?]	-1 EV
Chr. aberration [?]	13 µm

Canon EF-S 10-22mm f/3.5-4.5 USM

Canon EF-S 10-22mm f/3.5-4.5 USM

Announced	01/08/2004
Indicative price (USD)	845
Aperture	f/ 3.5-4.5
Focal range (mm)	10-22
Filter diameter (mm)	77
Max diameter (mm)	83.5
Mount type	Canon EF-S
Stabilization	No
AF Motor	USM
Zoom type	Ring
Rotating front element	No
Tripod mount	No
Color	Black
Full-Time manual focus	Yes
Number of lenses	13
Number of groups	10
Diaphragm blades	6
Circular aperture	Yes
Length (mm)	89.8
Weight (gr)	385

Certain fields may be left blank. They will be updated as soon as possible.

Sigma 10-20mm F3.5 EX DC HSM Canon

Sigma 10-20mm F3.5 EX DC HSM Canon

Announced	03/03/2009
Indicative price (USD)	649
Aperture	f/ 3.5
Focal range (mm)	10-20
Filter diameter (mm)	82
Max diameter (mm)	87.3
Mount type	Canon EF-S
Stabilization	No
AF Motor	HSM
Zoom type	Ring
Rotating front element	No
Tripod mount	No
Color	Black
Full-Time manual focus	Yes
Number of lenses	13
Number of groups	10
Diaphragm blades	7
Circular aperture	No
Length (mm)	88.2
Weight (gr)	520

Certain fields may be left blank. They will be updated as soon as possible.