시그마 13mm F2 DC DN ,18mm F2 DG DN 특허정보

- Sigma 13mm F2 DC DN (APS-C)
- Sigma 18mm F2 DG DN (Full Frame)

Example 2 (for 13mm F2 APS-C)
Focal length 13.45
F number 2.06
Total angle of view 2ω 99.09
Image height Y 14.20
Lens length 75.01

Example 6 (for 18mm F2 full size)
Focal length 18.62
F number 2.06
Total angle of view 2ω 104.45
Image height Y 21.63
Total lens length 90.81
https://sonyaddict.com/2022/08/01/sigma-13mm-f2-dc-dn-and-sigma-18mm...