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Canon Patent 20X Optical Zoom Lens for 1 inch Sensor

Canon patent 20X optical zoom lens for 1″ sensor. We have two zoom lenses patent in a row one having aperture range of F2.7-4.6 and one having F2.7-5.6. At the moment we are waiting for Canon G3X successor [G3X successor have 25X 2.8-5.6 optical zoom].

Take a look at the translated patent details

Canon Patent 20X Optical Zoom Lens

canon patent image

Specification and lens arrangement of embodiment 2
Zoom ratio: 20.00
Focal length: 8.50 54.45 170.00 mm
F No .: 2.70 3.96 4.50
Half image angle: 37.14 7.74 2.49
Image height: 6.44 7.40 7.40 mm
Lens length: 144.32 144.32 144.32
Back focus: 11.37 11.37 11.37 mm P2018-25624A

 

Specification and lens arrangement of embodiment 5
Zoom ratio: 20.00
Focal length: 8.30 55.00 166.00 mm
F No .: 2.70 4.80 5.60
Half image angle: 37.84 7.67 2.56
Image height: 6.45 7.41 7.41 mm
Lens length: 149.39 149.39 149.39 mm
Back focus: 13.43 13.43 13.43 mm P2018-25625A Specification and lens arrangement aspect 1 Zoom ratio: 19.50 Focal length: 10.60 72.07 206.68 F No .: 3.61 3.61 3.61 Half image angle: 36.10 5.85 2.03 Image height: 7.41 7.41 7.41 Lens length: 198.01 198.01 198.01 Back focus: 30.92 37.81 16.95

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