Sigma 17-50mm F2.8 EX DC OS HSM

[sin77]

For those who already owned it, Are u all bothered by the vignetting of this lens?

 

[Windballad]

Used to own it.. The vignetting is really up to personal taste.. For me I think it doesn't come in too harsh.. Light fall off at the corners is probably about 1/3 to 1 stop iirc..

 

[SkyStrike]

For those who already owned it, Are u all bothered by the vignetting of this lens?

Used to own it as well. For the vignetting, it's easily removed with the lens correction tool, so it didn't bother me as well. And iirc, even for the 1755, the vignetting is pretty much the same.

If there's anything that bothered me, it's the traditionally warmer colors of sigma lenses.

 

[mackie8]

when you lens lens for calibration must bring the body also?

 

[huatman]

when you lens lens for calibration must bring the body also?

Yes, so that can calibration your lens to the camera body.
So if you bring Cam-A in together with ur lens for cal, after which it may be off for Cam-B.