According to the Latest patent surfaced over the web Tamron is working on 85mm Fullfram F1.8 lens made for Sony fullframe E-mount camera, the recently announced zeiss bastis for Sony E-Mount FF also features same focal length and aperture, we do hope that it will give strong competition to batis and Tamron will also announce more lens in near future.
The following patent text is translated by google.
Laid-open designation 2015-96915
Publication date 2015.5.21
A wish day 2013.11.15
Mika Example 1
The focal distance f = 82.87-82.02-77.72mm
Fno. 1.85-1.88-2.01
Full picture angle 2ω = 28.59-27.41-23.18 °
FB 18.04mm
Tatari Rousseau Micron の charter
Plus or minus 3 group constitutes negative の
Nn cropped one fu ォ イ ー su ka (second group)
Vibration-proof (third group)
