Canon Big Lens Announcement in late September ?

Current Canon EF 100-400mm f/4.5-5.6L IS USM
Current Canon EF 100-400mm f/4.5-5.6L IS USM

Canon is rumored to release a new lens in late September, as said by CR, this lens could be a “big deal”.

According to previous rumors, the EF 100-400mm f/4-5.6L IS USM is ready to be replaced by new version. The new EF 100-400mm f/4-5.6L IS II USM lens would be more expensive. More rumored Canon lenses at Camera Rumors.

via: CR