Product code: SH-42-056887
"Focal length 50 mm Aperture range f/2.0 Ñ f/22 (1/2 steps) Focusing range 0.24 m Ñ infinity Number of elements/groups 8/6 Angular field, diag./horiz./vert. 45¡/38¡/26¡ Coverage at close range 72 x 48 mm Image ratio at close range 1 : 2 Filter thread M 67