Geometrical Optics¶
Small-angle approximation
Approximation that is valid when the size of a spherical mirror is significantly smaller than the mirror’s radius; in this approximation, spherical aberration is negligible and the mirror has a well-defined focal point.
Contents:
- Invariants (Geometrical Optics)
- Lenses
- Lens focus from object and image
- Linear magnification from distance to object and distance to image
- Linear magnification from object height and image height
- Optical power from focus distance
- Optical power from thin lens radii and refractive indices
- Optical power of spherical lens from refractive indices and distances
- Mirrors
- Prisms
- Refraction (Geometrical Optics)
- Telescopes