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As we get closer to the replacement of the EOS 7D, we're starting to see some patents that will probably point to some features in the upcoming camera. The recent sensor patent is interesting, as well as this viewfinder patent. We had heard previously about the possibility of a 1.15x magnification viewfinder on the next flagship APS-C camera, which would have been equal to the size of a full frame 100% coverage viewfinder.
This viewfinder is slightly larger than the one on the EOS 7D.
A note about the sensor patent, we have heard that Canon is holding back some sensor patents until the camera is announced to the public, as all patent information is public domain. We'll see if that turns out to be the case.
Patent Information (Google Translated)
- Patent Publication No. 2014-115451
- Publication date 2014.6.26
- Filing date 2012.12.10
- Example 9
- -3 -1 +1 Viewfinder diopter
- Focal length f = 46.84 48.38 49.99mm
- Eye point 22.00mm
- 1.03 1.03 1.02x magnification
- Pentagonal prism
- Condenser lens made of glass
- Eyepiece lens system with the exception of the condenser lens, 4-group structure of the positive and negative positive negative
- In turn, resin (single-sided aspherical surface), glass, resin (single-sided aspherical surface), the material is glass
- Patent Publication No. 2014-115452
- Publication date 2014.6.26
- Filing date 2012.12.20
- Example 1
- -3.00 -1.00 +1.00 Diopter
- Focal length f = 62.22 59.69 57.39mm
- Eye Relief 19.9mm
- Maximum image height 12.4mm
- Pupil diameter φ15mm
- Magnification 0.87x
- Pentagonal mirror
Source: [EG]
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