According to interview with Tamron USA by dpreview at Photokina 2018, Tamron executive confirmed that they will make more FE lenses for Sony full frame mirrorless cameras. The first Tamron FE lens is Tamron 28-75mm f/2.8 Di III RXD lens, currently still out of stock everywhere, you can pre-order at B&H & Adorama & Focus Camera & Amazon.
The 28-75 F2.8 for Sony FE is one of our favorite lens available for full-frame E-mount. How this lens been received by customers and will we see other full-frame Sony E-mount lenses soon?
That lens has definitely been very well-accepted by Sony shooters worldwide. Right now we’re still in a very heavy demand situation. Supply is catching up, though. I think it’s really the first lens that seems to fit the form factor of the camera itself. That balance and that lightweight design without compromising performance, everything about it fits the form factor and goal for what that system is all about. So definitely, with the acceptance of this, we’ll see more from Tamron for Sony mirrorless cameras.