Tamron is rumored to announce a new Tele lens as next

The new Tamron 50-300mm at BHphoto, Adorama, Amazon. WexUK. FotoErhardt. We just received a new FE 50-300 mm lens from Tamron. But I have already received a hint about their next lens. A source told me that a “longer range lens” is coming, but the image quality “will be worse than the new 50-300.” I…...