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
The post New Tamron patent discloses a 28-75mm f/4 FE zoom appeared first on sonyalpharumors.
