Egami has discovered a new patent filed by Canon. The new patent describes a 1.03x magnification viewfinder on the APS-C sensored camera.
This patent will probably point to some features in the upcoming camera. The replacement of the EOS 7D camera is getting closer and these patents could refer some features about the pro APS-C DSLR.
Details of the patent as follows (Google Translated)
Canon Patent for 1.03x Magnification APS-C Viewfinder
Patent Information
- 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
via EG
