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.
Tag: Sony FE 400mm f/4 GM Lens
No Sony a7III, a7SIII, a9S or New FE Lenses this Year
As we posted before, the only camera to be announced in 2017 will be Sony RX100 VI compact camera, it is likely to be announced on October 25th at PhotoPlus 2017.
Rumors Roundup: a7III, RX100 VI, Sony & Sigma FE Lenses in Late 2017, a7RIII, a7SIII, a6700 in 2018
After Sony announced FE 12-24mm f/4 G lens (Amazon/B&H/Adorama) and FE 16-35mm f/2.8 GM lens (Amazon/ B&H/Adorama) in May, 2017, there is no new Sony products announced until now. According to previous rumors, below are a list of Sony cameras and lenses to be announced in 2017 to 2018.
FE 400mm f/2.8 or f/4 GM Lens to be Announced in Q3 of 2017
According to recently rumors on SAR, Sony will announce the upcoming super telephoto prime lens in this Q3 of 2017. This lens will be a FE 400mm GM lens, currently unknown whether f/2.8 or f/4. As rumored before, there are already prototype lens in testing.
Sony FE 400mm f/4 Lens Rumored Specs
Sony is going to announce a new super telephoto prime lens in the second half of this year. According to recently rumors on SAR, FE 400mm f/4 prototype lens is already in testing by selected photographers. Below is rumored specs list of Sony FE 400mm f/4 Lens:
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FE 135mm f/1.8 & FE 400mm f/4 to be Announced in this Summer
After announcement of two new FE wide-angle zoom lenses several weeks ago, next FE lenses from Sony will be Sony FE 135mm f/1.8 lens and Sony FE 400mm f/4 lens. Both lenses are rumored to be announced together in this Summer. Will be announced before Sony Alpha a7III (Coming in this Fall).
Sony FE 400mm f/4 GM or f/2.8 GM Lens Rumored Again

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.