Plano-convex

A 'plano-convex' lens, or object, is characterized by having one flat (plane) surface and one outward-curving (convex) surface. This shape is particularly useful in focusing or diverging light, depending on the specific application and the direction the light enters. The convex side refracts light, while the plane side offers minimal distortion. Its primary function is to gather or spread light rays effectively, used in a variety of optical instruments. This design allows for efficient light transmission and image formation.

Plano-convex meaning with examples

• The jeweler used a small plano-convex lens to magnify the intricate details of the gemstone, examining the inclusions with exceptional clarity. The curved side faced the gem, magnifying it substantially. The flat side provided a stable base for holding the lens close to the stone, highlighting its facets for the precise study.
• In the design of a simple magnifying glass, a plano-convex lens is often employed to concentrate sunlight and heat on a focal point for burning. The convex side captures a broad area and redirects the light. The flat side provides a comfortable grip and the means for a clear view.
• A plano-convex lens was integrated into the security camera's lens system to improve image quality and field of view. The curved side helped widen the field of view without the distortion associated with other lens configurations, making the camera useful for surveillance purposes. The flat side faces the sensor.
• The telescope's objective lens utilizes a plano-convex design, which allows for the gathering of distant light to create a magnified image for astronomical observation. The curvature refracts the light precisely. The flat side can face towards the object of observation, allowing the light to be properly focused.