Macro lens with variable soft-focus effect for 35mm full-frame mirrorless cameras from CANON

CANON filed a patent describing optical designs of macro lens with variable soft-focus effect for 35mm full-frame mirrorless cameras.

【公開番号】特開2021-47297(P2021-47297A) click here
【公開日】令和3年3月25日(2021.3.25)
【発明の名称】光学系及びそれを有する撮像装置

Embodiment 1
Magnigification: -1.00E-06 -0.5 -1.4
Focal length: 100.81 65.87 36.01 mm
Ｆ number: 2.92 4.49 6.64
Image height: 21.64 21.64 21.64 mm
Lens length: 162.37 162.37 162.37 mm
BF: 14.66 14.66 14.66 mm


Embodiment 2
Magnigification: -1.00E-06 -0.5 -1.4
Focal length: 103.01 67.67 37.04 mm
Ｆ number: 3.04 2.6 1.45
Image height: 21.64 21.64 21.64 mm
Lens length: 141.34 141.34 141.34 mm
BF: 14.70 14.70 14.70 mm


Embodiment 3
Magnigification: -1.00E-06 -0.5 -1.4
Focal length: 103.02 67.96 37.17 mm
Ｆ number: 2.92 4.49 6.64
Image height: 21.64 21.64 21.64 mm
Lens length: 138.89 138.89 138.89 mm
BF: 14.70 14.70 14.70 mm