| Optically worked faces, ground edges, white glass, well-polished,
i. size 50x45mm,FL 7.5cm ii. size 50x45mm,FL 7.0cm iii. size 50x45mm,FL 6.0cm iv. size 50x45mm,FL 6.0cm v. size 50x45mm,FL 10.0cm vi. size 50x45mm,FL 15.0cm vii. size 50x45mm FL 20.0cm |
size 50x45mm,FL 30.0cm