A patent for a 2mm f/1.4 lens from Canon has appeared. This type of lens would be for a small sensor device such as a compact video camera or action camera.
Patent Publication No. 2014-197128 (Google Translated)
- Published Date 2014.10.16
- Filing date 2013.3.29
Example
- Focal length f = 2.03mm
- Fno. 1.44mm
- Half angle ω = 59.18 °
- Image height 3.00mm
- The overall length of the lens 32.17mm
- BF 0.51mm
- Canon patents
- Focus position of the periphery of the screen is shifted If you install the dome cover
- And suppress the deviation of the focus by changing the air space of the lens in accordance with the presence or absence of the dome cover
Source: [EG]
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