Tamron filed a new zoom lens patent in Japan. The new patent describes the Tamron 70-200mm f/4 VC telephoto-zoom lens designed for cameras with full-frame image sensors.
Tamron has many good high-zoom lenses especially ideal for bird photography. This lens also comes with built-in Vibration Compensation technology.
Tamron 70-200mm f/4 VC Lens Patent
Patent Publication No. 2016-126278
- Published 2016.7.11
- Filing date 2015.1.8
- Focal length 71.8092 109.9915 205.9615
- F-number 4.0989 4.1033 4.1023
- Half angle of 16.7567 10.8972 5.8621
- Positive and negative positive positive and negative 5-group zoom
- Inner zoom
- Inner focus
- Vibration control