
The new Tamron SP 24-70mm f/2.8 Di VC USD G2 lens is not officially announced yet, but it is already available for pre-order at Adorama with a price tag of $1,199. Here are the lens specifications:
The new Sigma 135mm f/1.8 DG HSM Art lens is now available for pre-order for Nikon, Canon and Sigma mounts (you can use the lens also on Sony cameras with the MC-11 EF to Sony E adapter): B&H Photo Adorama Park Cameras (UK) Shipping will starts on April 25, 2017. The full press release can be found here.
The two new Sigma lenses are now available for pre-order in various mounts: Sigma 17-70mm f/2.8-4 DC Macro OS HSM Sigma 120-300mm f/2.8 DG OS HSM