Mir-47 f2.5 20mm
Produced VOMZ, Vologda, Russia (June 2000) Mount Pentax K Focal length 20mm rectilinear Aperture range f2.5-22 Focal range .3m to infinity Filter thread 27mm rear mounted Elements 10 in 9 groups Aperture blades 6 Weight 450g multicoated Overview Now, I don’t know exactly what Read More …