Oprema Jena revives Biotar 58mm F2 lens with record-setting 17 aperture blades

Oprema Jena revives Biotar 58mm F2 lens with record-setting 17 aperture blades
After successfully funding the ‘legendar…
Source: dpreview
Oprema Jena revives Biotar 58mm F2 lens with record-setting 17 aperture blades