Tag Archives: EF 70-300mm f/4.5-5.6

Canon EF 100-400mm f/4.5-5.6 and EF 70-300mm f/4.5-5.6 Lens Patents


Egami has discovered new patents filed by Canon. The new Canon patents is for zoom lenses. One of them is Canon EF 100-400mm f/4.5-5.6 and the other one is named as Canon EF 70-300mm f/4.5-5.6. There are several EF 100-400mm f/4.5-5.6 patents filed by Canon back in time. This may mean we come close to an announcement of theContinue Reading