A recently published patent from Canon details a set of optical formulas for what appears to be an RF 90mm F2.8L IS Macro lens. Japanese Patent Application Number 2018-205435, first detailed by Northlight Images, is fairly standard as far as patents go, but there is one interesting element worth noting. The image stabilization elements inside the lens -- labelled L12 -- are located within the first optical group towards the front of the lens. More often the image stabilization component is towar...
Canon patent details schematics for a possible RF 90mm F2.8L IS Macro lens
DP Review - 27 Dec 2018 19:42
A recently published patent from Canon details a set of optical formulas for what appears to be an RF 90mm F2.8L IS Macro lens. Japanese Patent Application Number 2018-205435, first detailed by Northlight Images, is fairly standard as far as patents go, but there is one interesting element worth noting. The image stabilization elements inside the lens -- labelled L12 -- are located within the first optical group towards the front of the lens. More often the image stabilization component is towar...
Share this Article
Recommended