http://personal-view.com/talks/discussions/tagged/transmission/feed.rss Wed, 22 May 24 10:48:55 +0000 Tagged with transmission - Personal View Talks en-CA http://personal-view.com/talks/discussion/9361/actual-light-transmission-of-sigma-18-35 Wed, 15 Jan 2014 23:20:32 +0000 joethepro 9361@/talks/discussions 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?

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