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Full Version: Tamron 28-75mm f/2.8 RXD development announcement

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http://www.tamron.com/news/press_release...222_2.html

(just restoring some base topics from the old forum)

The full name is "28-75mm F/2.8 Di III RXD (Model A036)".
Does the "III" means it' based on the old SLR lens design ?

The "Di III" means it is for mirrorless, not DSLR.

Klaus