According to a email from Nomen nescio aka anonymous Canon is planning to update the following list of lenses, we will add more update soon.
Canon 28mm f1.4
Canon already have the patent of 28mm F1.2 and they Canon will announce a the Lens in near future, keep in mind that 28mm F2.8 IS USM version of the lens announced on 2012 along with 24-70mm lens.
New 50mm Coming
The New 50 means include two version F1.2L and F1.4, new version will sure carry advance optics, better AF mechanism (optimized for video) and Blue Spectrum Refractive Optics first seen on 35mm lens.
85mm
Canon EF 85mm f1.2L II USM Lens was announced on Feb 21, 2006, so there is a possibility that Canon may update a 9+ year old lens with Blue Spectrum Refractive Optics and advance AF drive.
70-200mm
The 70-200mm Lens is always a cash cow for Canon, the 70-200mm F2.8 II was announced on 2010 and Canon will soon announce the update of this lens too.
STAY WITH ON FACEBOOK | TWITTER | GOOGLE+ to get live news + See all Canon Rumors 24X7+
Do mention Newcamera [with working link] as source link before copying our blog post
Canon has patented a 200-600mm f4.5-5.6 lens
Any word on when or if this lens will be built.
No, no info about 200-600mm lens available now.