There is a newly published patent disclosing the design of three new Tamron FE primes:
I guess those are just small variations from their newly announced f/2.8 prime lens line. Don’t think it makes sense to release those slightly faster lenses now. Would prefer to get f/1.8 or f/1.4 primes instead.
via Hi LowsNote
Links to all Tamron FE lenses:
Tamron 17-28mm f/2.8 FE at BHphoto, Amazon, FocusCamera, BuyDig and Adorama. In EU at Amazon DE, Calumet DE, WexUK, Park UK, Amazon IT, Amazon FR, Amazon ES, CameraTools NL.
Tamron 28-75mm f/2.8 FE at Amazon, Bhphoto, FocusCamera and Adorama. In Europe at Amazon DE, Amazon UK and Amazon FR.
Tamron 20mm f/2.8 at Adorama, FocusCamera and BHphoto.
Tamron 24mm f/2.8 at Adorama, FocusCamera and BHphoto.
Tamron 35mm f/2.8 at Adorama, FocusCamera and BHphoto.