Tamron has just filed a new patent of 85mm f/1.8 VC lens for Sony Full-Frame Millorless cameras. This new lens will have the same specifications as the Zeiss Batis 85mm f/1.8 Lens, but it will be much cheaper!
Patent Publication No. 2015-96915
Published 2015.5.21
Filing date 2013.11.15
Example 1
Focal length f = 82.87-82.02-77.72mm
Fno. 1.85-1.88-2.01
Full field angle 2ω = 28.59-27.41-23.18 °
FB 18.04mm
Lens configuration 8 groups 11 sheets
LD 1
Patent of Tamron
Of positive and negative negative 3-group configuration
Inner focus (the second group)
Anti-vibration (Group 3)
Source: EG
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