Sony.JP has just filed several new patents for its prime lenses.
Example 1 (50mm F1.2)
- Focal length: 53.90
- F number: 1.21
- Half angle of view: 21.76
- Image height: 21.63
- Optical total length: 130.00
Example 2 (35mm F1.4)
- Focal length: 34.66
- F number: 1.44
- Half angle of view: 32.01
- Image height: 21.63
- Optical total length: 96.88
- Focal length: 78.40
- F number: 1.23
- Half angle of view: 15.39
- Image height: 21.63
- Optical total length: 160.00
Example 4 (60mm F1.2)
- Focal length: 60.00
- F number: 1.21
- Half angle of view: 19.79
- Image height: 21.63
- Optical total length: 145.00
Example 5 (50mm F1.4)
- Focal length: 48.50
- F number: 1.46
- Half angle of view: 24.00
- Image height: 21.63
- Optical total length: 101.56
The 50mm F1.4 has a different optical system from the current T* FE50mm F1.4, but we are wondering if the 50mm F1.4 will be renewed. The 60mm F1.2 and 80mm F1.2 are slightly half-finished focal lengths, and if a medium telephoto of F1.2 were to be commercialized, it would be the 85mm F1.2, but what will happen?
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