The patents for the new E mount Tamron lenses have been filed and, if they go into production, one of them would be the fastest zoom on the Sony Platform.

After holding back for a few years in regard to making lenses for Sony Mirrorless cameras, Tamron has now gone all-in on the platform. We have seen some spectacular lenses from Tamron, including the 28-75mm Di II RXD f2.8, the 17-28mm f2.8 Di III RXD, and even their new affordable f2.8 primes (which are currently on sale for $299 each). As another sign of intent when it comes to the Sony platform, Tamron has recently filed two patents for ultra-fast zooms and, if they go into production, one of them (a 70-130mm f2) will become the fastest zoom lens on the Sony Platform. Let’s talk about this after the break.
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https://www.thephoblographer.com/2020/04/07/if-real-these-ultra-fast-tamron-zooms-will-be-innovative-but-large/