BK7 Double Convex Lenses, Dia. 25mm x EFL 40mm, Uncoated

Description

BK7 Double Convex Lens, Diameter 25.0mm+0/-0.1mm x Effective Focal Length 40.0mm±2% x Center Thickness 5.5mm±0.2mm, Uncoated. Double convex lens is ideal for image relay, and for imaging of objects at close conjugates.