Mathematics of depth of field (K-A)

• Light through a pinhole (K-A)
• Thin lens approximation (K-A)
• Thin lens intuition (K-A)
• Simple lens law (K-A)
• Out of focus objects (K-A)
• Circle of confusion diagram (practice) (K-A)
• Algebra of focus (K-A)
• Circle of confusion calculation (K-A)