3. Resolution and Optical Instruments

Learning Outcomes
  • I can define resolution and resolving power.
  • I can explain factors that limit image resolution.
  • I can compare the resolving powers of different optical instruments.
  • I can explain how wavelength influences resolution.
  • I can evaluate image quality using resolution concepts.

Key Topics:
  • Angular resolution: θ=1.22λD.
  • Relationship between wavelength, aperture size, and resolution.