According to recently rumors on NR, Nikon will announce a new ultra-wide lens or fisheye lens this year. This is one of five lenses from Nikon in 2017.
The new Sigma lenses: Sigma 14mm f/1.8 DG HSM Art Lens, Sigma 135mm f/1.8 DG HSM Art Lens, Sigma 24-70mm f/2.8 DG OS HSM Art Lens, Sigma 100-400mm f/5-6.3 DG OS HSM Contemoporary Lens will be available for pre-order online tonight midnight. And also, the price for these new Sigma lenses will be released. NokishitaCamera confirmed that Sigma 135mm f/1.8 DG HSM Art lens will be shipping on April 7, 2017, in Japan. The price fot this lens will be around $1,500 in USD. You can get instantly notified by e-mail when these new Sigma lenses are available for pre-order.
According to recently rumors on SAR, along with new Sony full frame mirrorless camera, a new FE lens Sony FE 100-400mm G lens is rumored to be announced in April, next month. It will be the first full frame telephoto zoom lens for Sony full frame mirrorless cameras. This new FE lens is currently in developing by Sony.
As previous rumors, a new EF-S wide-angle prime lens for Canon APS-C DSLR cameras is rumored to be announced on April 5, 2017. Now, according to CR, this lens is EF-S 35mm f/2.8 M IS STM lens. This EF-S 35mm f/2.8 M IS STM lens contains “M” in lens description. The “M” is the unique new feature for this lens.