Patent: Canon EF 24-300mm f/4-5.6

We’ve posted recently that Canon has been working on a new superzoom lens, and sure enough a patent for an EF 24-300 f/4-5.6 has appeared.

Patent Publication No. 2015-200870 (Google Translated)

• Published 2015.11.12
• Filing date 2014.3.31
• Example 1
• Zoom ratio 12.14
• Focal length 24.30 99.98 294.95
• F-number 4.10 5.76 5.88
• Half angle (in degrees) 41.68 12.21 4.20
• Image height 21.64
• Overall length of the lens 197.38 245.98 298.53
• BF 38.90 91.95 92.55

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Source: Egami