Canon files a patent for a new 24-70mm F2.8L II USM lens

• 14 years ago
• Categories: Canon
• Tags: Patents

Canon applied for a patent in Japan for a new 24-70mm F2.8L II USM lens:

For comparison, here is the diagram of the current Canon EF 24-70mm f/2.8L USM lens:

Patent details:

• Patent publication: 2010-243636
• Patent published 10/18/2010
• Patent filled: 04/02/2009
• Focal distance: 24.54-66.07mm
• Fno (aperture): 2.91-2.92
• Angle of view: 82.8-36.26°
• Image circle: 43.28mm
• Length: 204.97-170.32mm
• Back focus: 37.06mm