Patent: EF 16-35 f/4L, 17-40 f/4L and Others
A slew of patents showing various wide angle optical formulas has appeared.…
Patent: Canon Curved Aperture Diaphragm
Here's another patent filing picked up by egami: (translated) Patent Publication No.…
Patents: Canon 85mm f/1.8 IS, 100mm f/2 IS, 135 f/2.8 IS
Patents with three popular telephoto lenses with the addition of image stabilization…
Patent: Microadjustment Automated
A patent has been published outlining automatic microadjustment for Canon DSLRs and…
Patent: Canon EF 300-600 f/5.6 w/1.4x TC
Super telephoto patent A new Canon patent showing other lens formulas using…
Patent: A Pellicle Mirror by Canon
Canon coming full circle A patent revealing a pellicle mirror by Canon…
