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Canon Patent Application: Canon EF APS-C high magnification zoom lenses | Canon News
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Canon Patent Application: Canon EF APS-C high magnification zoom lenses
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Canon Patent Application: Canon EF APS-C high magnification zoom lenses

In this patent application, Canon describes high magnification zoom lenses.  The Canon EF-S 18-200mm is certainly long overdue for a replacement, however, with Canon's focus on Canon RF and somewhat EOS-M it's unknown if this would ever make it off the design floor.

Four major designs are shown here;

18-300mm
16-300mm
18-350mm
18-200mm

That being said, a 16-300mm lens would certainly be a welcomed upgrade to the 18-200mm.

Focal Length  18.4  61.50  292.50
F number 3.25 5.15 6.30
Lens Length 159.75 196.83 252.45
BF 35.87 35.87 35.87

Focal Length  16.0  56.88 292.50
F number 3.08 5.00 6.30
Lens Length 157.91 195.91 252.91
BF 35.50 35.50 35.50

Focal Length  18.4  66.90  292.50
F number 3.33 4.88 6.25
Lens Length 156.04 194.38 241.33
BF 41.29 49.17 58.82

Focal Length  18.4  64.49 352.50
F number 3.19 4.93 6.30
Lens Length 168.56 212.54 278.50
BF 35.50 35.50 35.50

Focal Length  18.3  71.92 200.00
F number 3.50 5.32 6.30
Lens Length 151.56 175.37 204.19
BF 35.50 41.66 49.20

Japan Patent Application 2019-133054

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