Lenses (K-A)

• Convex lenses (K-A)
• Convex lens examples (K-A)
• Concave lenses (K-A)
• Object image and focal distance relationship (proof of formula) (K-A)
• Object image height and distance relationship (K-A)
• Multiple lens systems (K-A)
• Diopters, Aberration, and the Human Eye (K-A)