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Canon patent application for 18-185mm IS lens for APS-C PowerShot, 18-135mm IS for APS-C DSLR

2 개의 캐논18-185mm IS렌즈의특허가발견되었는데 1 개는 크롭파워샷바디용이고 1 개는 크롭데세랄바디용이라네요. 만약 2 개가나온다면 크롭파워샷바디도좋아질듯하고 크롭데세랄바디에서도 신형렌즈로쓸만하겠네요.

Patent application 2018-36364 describes a 18-185mm F/3.6-6.5 lens for compact cameras with an APS-C sensor, i.e. most likely a PowerShot compact camera (image on top). The lens appears to have image stabilisation.

Zoom ratio: 9.96
Focal length: 18.56 39.37 184.95
F no.: 3.61 5.11 6.49
Half image angle: 36.35 19.13 4.22
Image height: 13.66 13.66 13.66
Lens length: 110.65 121.29 164.53
Back focus: 8.65 10.60 12.43

The same patent literature also describes a 18-135mm F/3.6-6.5 lens for APS-C DSLRs (image at bottom). This lens too appears to have image stabilisation.

Zoom ratio: 7.40
Focal length: 17.98 28.29 133.11
F no.: 3.60 4.15 6.49
Half image angle: 37.2 25.78 5.86
Image heigth: 13.66 13.66 13.66
Lens length: 99.01 100.39 147.68
Back focus: 24.78 28.43 62.75