Some new Voiglander patentes were found for a Voigtlander APO-LANTHAR 25mm, 75mm and 135mm Lens.
Cosina’s patent application was published on March 18, 2021. There are some examples such as “APO-LANTHAR 50mm F2”, but some of them are interesting such as “135mm F2” and “135mm F1.2”.
- Publication Number: Japanese Patent Application Laid-Open No. 2021-43376 (P2021-43376A)
- Publication date: March 18, 2021
- Application date: September 12, 2019
Example 1 Example 2 Focal length 40.00 36.01 F value 1.97 1.23 Half angle of view 28.4 31.4 Example 4 Example 5 Focal length 51.14 49.28 F value 1.26 1.93 Half angle of view 22.9 23.7 Example 9 Example 10 Focal length 73.00 134.00 F value 1.73 2.03 Half angle of view 16.5 9.17 Example 12 Example 11 Focal length 25.80 134.00 F value 1.86 1.20 Half angle of view 39.9 9.17
Via Asobinet (translated), Photorumors
