I've seen differing reports of the actual T-stop measurement of the sigma 18-35, anywhere from T1.8 to T2.8. Is there any conclusion data on this?
Use existing topic for question, please - http://www.personal-view.com/talks/discussion/6733/18-35mm-f1.8-sigma-dc-zoom-lens-799#Item_271
Oops, will do.
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