Brief description Focal length(mm)£º 3.5-8 Format cover(inch)£º1/3 Mount£º CS Aperture(F)£º1.4-C Field of View(horizontal): 78.9-34.7¡ã Min.object Distance(m): 0.3 Dimension(mm)£º 34¡Á44¡Á60 Iris£º Auto(DC drive) Weight(g)£º87