Quality Control and 3rd party lenses

eco_bach

Well-known member
Hi
Have had mostly good experiences with buying Tamron (have 2 zooms, the 17-50 and 28-75, getting my 17-50 checked and calibrated at the moment)

Maybe not the best examples but all the following shot wide open with the 28-75 on my old digital rebel
http://www.flickr.com/photos/bitstream/4717707669/lightbox/
http://www.flickr.com/photos/bitstream/4697651147/lightbox/
http://www.flickr.com/photos/bitstream/736637457/
http://www.flickr.com/photos/bitstream/219436750/

About to invest in

30 f1.4 Sigma

and possibly

11-16 Tokina

Is it recommended that I purchase 2 or 3 copies and test myself or?? What has been your experience with Sigma and Tokina lenses?
 
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