Just saw this over morning coffee...
http://www.dpreview.com/articles/0524469310/tamron-relaunches-sp-series-with-35mm-f1-8-di-vc-usd-and-sp-45mm-f1-8-di-vc-usd?utm_campaign=generic&utm_source=notification&utm_medium=email&ref=notification&ref_=pe_1674010_132618830
No backward zoom ring to deal with...I wonder if the focus ring is backwards also???
Greg
http://www.dpreview.com/articles/0524469310/tamron-relaunches-sp-series-with-35mm-f1-8-di-vc-usd-and-sp-45mm-f1-8-di-vc-usd?utm_campaign=generic&utm_source=notification&utm_medium=email&ref=notification&ref_=pe_1674010_132618830
No backward zoom ring to deal with...I wonder if the focus ring is backwards also???
Greg