Plano convex lenses (PCX) have one flat and one outward curving face and a positive focal length. They are ideal for collecting and focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics. MgF2 anti-reflection coating offers improved transmission in the visible spectrum. Commercial Grade MgF2 Coated Plano-Convex (PCX) Lenses offer commercial quality, at an affordable price.