Optical Surfaces has supplied several sets of ultra-high quality plano-convex lenses to the MAX IV Laboratory.

Corrective lenses Convex and concave lenses can both be used to correct defects of vision. The most commonly occurring defects of vision are ‘short sightedness’ and ‘long sightedness’.

Learn about refraction, ray diagrams and how convex lenses bend light rays with this guide for KS3 physics students aged 11-14 from BBC Bitesize.