1. Lens Cases CONVERGING 2f f f’ 2f’ – object beyond 2f
Image – real, inverted, smaller, between f’ and 2f’
– object at 2f
Image – real, inverted, same size, at 2f’
– object between f and 2f
Image – real, inverted, larger, beyond 2f’
– object between f and o
Image – virtual, upright, larger, same side of lens
DIVERGING 2f f f’
2f’
– object anywhere
Image – virtual, upright, smaller, same side of lens

2. Mirror Cases CONCAVE c f
– object beyond c
Image – real, inverted, smaller, between c and f
– object at c
Image – real, inverted, same size, at c
– object between c and f
Image – real, inverted, larger, beyond c
– object between f and v
Image – virtual, upright, larger, behind mirror
CONVEX f c
– object anywhere
Image – virtual, upright, smaller, behind mirror