Tamron has just filed a new patent of Tamron SP 28mm F2.8 Vc lens. It is a Full-frame mirrorless lens for Sony Alpha mirrorless cameras.
- Patent Publication No. 2015-163926
- Published 2015.9.10
- Filing date 2014.2.28
- Example 1
- Focal length f = 27.5462 26.0246mm
- Fno. 2.8840 2.8985
- Half angle of view ω=38.5881 38.3233°
- BF 15.6482 15.6482mm
- Image height Y= 20.29 21.07mm
Tamron filed several patents for Sony FE: Tamron 85mm f/1.8 VC Lens , 90mm f/2.8 Macro, 120mm f/2.8, 60mm f/2.8, 180mm f/2.8, 300mm f/2.8 for Sony FE.
Source: EG
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