Lens Aberrations Quiz: Chromatic Aberration and Distortion

Understanding lens optics helps you choose the right glass and get the best results. Test your knowledge of chromatic aberration, distortion types, vignetting, diffraction, and how to optimize sharpness from your lenses.

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Quiz 24: Lens Optics, Sharpness, and Aberrations

Chromatic aberration appears as:

Vignetting is:

Barrel distortion makes lines:

Pincushion distortion makes lines:

Stopping down often improves:

Coma is most visible in:

Spherical aberration mainly affects:

Flare is caused by:

A lens hood helps reduce:

MTF charts describe:

Corner softness may be improved by:

Field curvature means:

Microcontrast refers to:

Lens decentering often shows:

Optical issues are often corrected in post using: