canon 7d with new 17-55 2.8 is group shot

Started Jun 24, 2010 | Discussions thread
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harry6678 Junior Member • Posts: 35
canon 7d with new 17-55 2.8 is group shot

I just bought a new canon lens from beachcamera on ebay and took some pictures with my 7d, the camera is on a tripod.

To my suprise, the group shot has no detail info at all, pls check 100% crop picture and original picture. I am not happy with the result and want to return this lens, is it normal? do i get a bad copy?
here is the camera settings for group shot.
diret under the sun at around 2pm.
av priority
speed 1/100
iso 100
auto white balance
auto focus
focus lenth 17mm

another picture of white van, i can see purple fringing to top, it is 2.8, 17mm, is it normal?

Please advise. if it is normal, i may just keep it, if not, i will refund for exchange or refund.

 harry6678's gear list:harry6678's gear list
Nikon D600 Canon EOS 6D
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