Voigtlander Super Wide Heliar 15mm f/4.5 M Mount Lens - Black
One reason why the Voigtlander 15mm is popular is because of its Lightweight.
|Construction||6 Groups/ 8 Elements|
|Angle of view||110°|
|F stop range||f/4.5-22|
|Closest Focusing Distance||0.5m|
|Dimensions (Length x Diameter)||38.2mm x 59.4mm|