Aberrations Flashcards
A lens dispersing white light into its component colors is an example of which aberration?
Chromatic aberration
Which aberration are of the greatest concern to a spectacle wearer?
Marginal (oblique) astigmatism and curvature of field
The lens aberration that produces a shorter focal length for rays near the edge of the lens than rays near the optical axis is called what?
Spherical aberration
Designers of corrected curve lenses give much consideration to this aberration
Marginal (oblique) astigmatism
The aberration affecting image shape when wearing high plus lenses is called what?
Pincushion distortion
The aberration affecting image shape when wearing high minus lenses is called what?
Barrel distortion
What aberration is induced with pantoscopic tilt?
Marginal (oblique) astigmatism
The aberration that depends on the material the lens is made from is called what?
Chromatic aberration
The aberrations which are “narrow beam” aberrations include what?
Marginal (oblique) astigmatism and curvature of field
The aberration that can induce cylinder power in a spherical lens is called what?
Marginal (oblique) astigmatism
