New Sigma patent discloses the design of the new 500mm f/5.6 OS, 700mm f/8 OS and 400mm f/5 OS
Asobinet spotted the design of three tele primes from Sigma.
Example 1
- Focal length: 485.00
- F-value: 5.83
- Angle of view: 5.06
- Image height: 21.63
- Overall length: 253.13
Example 5
- Focal length: 700.00
- F-value: 7.97
- Angle of view: 3.52
- Image height: 21.63
- Total length: 318.72
Example 6
- Focal length: 400.00
- F-value: 5.06
- Angle of view: 6.14
- Image height: 21.63
- Overall length: 233.14