New Tamron patent discloses a 28-75mm f/4 FE zoom

Tamron patented a entry level companion of the current 28-75mm f/2.8 lens:

• Focal length: 28.8419-72.7392
• F value: 4.1128-4.1053
• Half angle of view: 37.8908-15.9258
• Image height: 20.2060-21.6330
• Overall length: 130.000

via Asobinet