The upcoming Sony Alpha a7RIII (Amazon/B&H Photo Video/Adorama) full frame mirrorless camera is now confirmed, it will be announced in next several hours. And Sony will also announce two new FE lenses soon: Sony FE 24-105mm f/4 G OSS Lens and Sony FE 400mm f/2.8 GM Len.
Polish website Optyczne recently paid a visit to Sony Japan, and had an interview with Sony managers from Sony Japan. According to the interview, Sony currently is developing longer telephoto full frame E-mount mirrorless lenses in the near future. As rumored before, Sony may release FE 135mm lens and FE 400mm lens in 2018.
At early this year, we first posted rumors about Sony will announce a 400mm super telephoto prime lens in 2017. Now according to SAR, a new super telephoto prime lens is rumored to be announced soon. This lens will be a 400mm prime lens, the aperture of this lens hasn’t yet confirmed, it will mostly like f/4, or even f/2.8.