Canon has just filed another new full frame mirrorless lens patent in Japan. This new lens patent is Canon 30mm f/2.8 DO lens. In the past, Canon all filed another full frame mirroless lens patent: Canon 50mm f/3.5 Macro IS Full Frame Mirrorless Lens. According to rumors, Canon full frame mirrorless cameras will be announced around Photokina 2016 in September.
- Patent Publication No. 2016-102851
- Published 2016.6.2
- Filing date 2014.11.27
- Example
- Zoom ratio 1.00
- Focal length 31.35
- F-number 2.86
- Angle of view 34.61
- Image height 21.64
- Overall length of the lens 85.29
- BF 29.99
- Canon patent
- Positive ShiboTadashi
- Diffractive optical element (the second group of aperture stop image side)
- Correct axial chromatic aberration and lateral chromatic aberration of the near-infrared light
via: EG
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