Linked from

The 53 pages that link to Geometrical optics, each with the reason it gives.

• Depth of fieldNarrower topic: Depth-of-field calculations commonly use its ray-based account of lens imaging.

• Snell's lawNarrower topic: Snell's law is a central ray rule within this approximation.

• ApertureNarrower topic: Ray geometry explains how the aperture bounds the light entering the lens.

• Fermat's principleNarrower topic: Fermat's principle is a foundation for this ray-based description of light.

• Ray tracingNarrower topic: Ray tracing computes the paths that geometric optics describes.

• Chromatic aberrationNarrower topic: Ray diagrams show how separate wavelengths form displaced focal points.

• Fresnel equationsNarrower topic: Fresnel coefficients supplement ray paths by specifying their interface energy and amplitude changes.

• Optical aberrationNarrower topic: Aberration analysis often traces rays through a system to compare actual and ideal image positions.

• Corpuscular theory of lightNarrower topic: Corpuscles traveling in straight paths fit the ray-based descriptions of optical phenomena.

• Diffuse reflectionNarrower topic: Ray directions explain the basic scattering picture for surfaces much larger than a wavelength.

• Field of viewNarrower topic: It provides the ray diagrams used to derive many field-of-view relationships.

• Optical telescopeNarrower topic: It describes how telescope lenses and mirrors form images.

• Law of reflectionNarrower topic: The law is a basic directional rule within this approximation.

• Atmospheric opticsNarrower topic: Many halos and mirages can be traced by following rays through ice crystals or air layers.

• Classical electromagnetismNarrower topic: It follows from electromagnetic wave theory when wavelengths are small relative to structures.

• Newtonian telescopeNarrower topic: It describes how the primary and diagonal mirrors route light to the eyepiece.

• Parabolic reflectorNarrower topic: The reflector’s ideal ray behavior is described without modeling light as a wave.

• Spherical aberrationNarrower topic: The usual description of spherical aberration follows individual rays through an optical system.

• Virtual imageNarrower topic: Virtual images are located using the ray model rather than wavefront calculations.

• Angle of incidenceNarrower topic: The angle-of-incidence construction belongs to the ray-based description of light.

• Halo (optical phenomenon)Narrower topic: Ray paths through crystal faces provide a useful account of common halo angles.

• Aperture (optics)Narrower topic: Ray geometry explains pupil images and aperture stops before diffraction is considered.

• Airy functionNarrower topic: Airy functions resolve wave behavior where ray-based predictions fail near caustics.

• Ibn SahlNarrower topic: Ibn Sahl's lens designs treat light paths geometrically rather than as waves.

• Curved mirrorNarrower topic: Curved-mirror diagrams and image predictions use its ray-based approximation.

• HeiligenscheinNarrower topic: Ray paths through droplets help explain how sunlight is concentrated toward its source.

• StadimeterNarrower topic: A stadimeter relies on sight lines and angular measurement rather than wave effects.