Tag Archives: Tamron 25-120mm

Tamron 18-50mm, 25-120mm, and 28-120mm Patents Found

Example 1 Focal length: 18.528-49.967 F value: 3.605-5.308 Half angle of view: 39.012-15.652 Image height: 14.250 Overall length: 97.833-119.002 Back focus: 37.320 Example 2 Focal length: 25.100-114.132 F value: 4.105-4.140 Half angle of view: 42.102-10.446 Image height: 21.633 Overall length: 167.363-218.148 Back focus: 39.824 Example 3 Focal length: 28.000-118.794 F value: 4.113 Half angle of […]

Posted in 3rd Party Lens, Patents | Also tagged , , | Leave a comment