Prontor
The Prontor is a series of leaf shutters that were made by the German company Gauthier.
The Prontor II exists with the following speed ranges:
- 175–1, B, T
- 200, 100, 50, 25, 10, 5, 2, 1, B, T
- Text is available under GNU Free Documentation License 1.3; other licenses apply to photos.
