I have two 28-200 f/3.8-5.6 lenses. one is a tamron the other is Sigma. I am not sure if my Sigma is outta whack, but I have been getting better results with my tamron on my Canon 10D.
This image was shot on the 10D at
Tv( Shutter Speed )
1/180
Av( Aperture Value )
5.6
Metering Mode
Partial
Exposure Compensation
0
ISO Speed
100
Lens
28.0 - 200.0 mm
Focal Length
200.0 mm
