Aplanat
Definition, Meaning & Examples
Part of speech noun
Quick meaning: Aplanat is a noun meaning (optics) A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.
Meaning
(optics) A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.
Example Sentences
Some infra-red detectors are sold already embedded in a plastic aplanat.
For comparison, an aplanat of a focus catalogued at 16 inches, actually found by experiment to have a focus of 16 11-16 inches, was used.
2009, Gérard René Lemaitre, Astronomical Optics and Elasticity Theory, Springer, Astronomy and Astrophysics Library, Corrected 3rd printing, page 11, […] which is totally false since he established the algebraic conditions for thin-lens achromatic aplanats;
Word Forms
- aplanats
Related Words
Related dictionary entries include aplanatism, collimation, aperture, aberration, asphere, rectification.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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