A new patent surfaced over the web that shows Tamron 15-50mm lens with fixed F1.4 aperture made for 1/1.7 inch sensor(possibly), patent details below
Description and self-interpretation of the patent literature
- Patent Publication No. 2014-56055
- Publication date 2014.3.27
- Filing date 2012.9.1
- Example 1
- Focal length f = 15.0-27.4-50.0mm
- Fno. = 1.41
- Half angle ω = 17.31-9.28-5.00 °
- 5-group zoom of positive and negative ShiboTadashi positive and negative
- Inner zoom
- Inner Focus (Group 4)
As far as we have understand form electronic translation – if you have better translation / suggestion drop a email to contact[@]thenewcamera.com
src- egami
