Here is a new Canon patent application for two zoom lenses. Canon patent application 2024160458…
Canon Patent for PowerShot with 100x Zoom
Egami (translated) spotted a patent filed by Canon that appears to be for a PowerShot with a 100x zoom. 18mm-1768mm equivalent.
- Patent Publication No. 2013-242430,2013-242431
- Publication date 2013.12.5
- Filing date 2012.5.21
- Example 2
- Zoom ratio 48.37
- Focal length f = 4.30-13.30-208.00mm
- Fno. 2.87-5.00-7.07
- Half angle ω = 37.77-16.25-1.07 °
- 94.75-94.56-138.99mm overall length of the lens
- BF 10.40-19.43-10.43mm
- 13 pieces of 10-group lens configuration
- Two four-sided aspherical
- Example 5
- Zoom ratio 94.44
- Focal length f = 3.60-14.51-340.00mm
- Fno. 3.50-5.00-9.00
- Half angle ω = 42.12-14.95-0.65 °
- 95.91-97.40-165.41mm overall length of the lens
- BF 10.48-21.86-2.28mm
- 13 pieces of 10-group lens configuration
- Three 5-sided aspherical