Sony has just filed a new patent for FE 24-70mm F4.0 OSS lens. This new lens will get a constant f/4.0 aperture instead of the variable f/3.5-5.6 aperture of the current lens.
- Patent Publication No. 2015-64492
Published 2015.4.9
Filing date 2013.9.5 - Patent of Sony
Positive and negative five-group zoom
Inner focus (fourth group)
Vibration control
The Current Sony FE 28-70mm F3.5-5.6 OSS
Source: EG
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