Pentacon Prakticar MC 28/2.8
Lens in good used condition. Lens with mount for Praktica B-system.
Specs:
- 7 elements in 7 groups
- Focal length - 28mm
- Maximum aperture - 2.8
- Filter thread - 49mm
- MSN - 2673726
More specs at: http://allphotolenses.com/lenses/item/c_1413.html