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Related to aplanatic: aplanatic Gregorian, aplanatic lens


Of or relating to optical systems that correct for spherical aberration.

[From a- + Greek planāsthai, to wander; see pelə- in Indo-European roots.]


(General Physics) (of a lens or mirror) free from spherical aberration
[C18: from Greek aplanētos prevented from wandering, from a-1 + planētos, from planaein to wander]
ˌaplaˈnatically adv


(ˌæp ləˈnæt ɪk)

(of a lens) free from spherical aberration and coma.
[1785–95; aplanat- (irreg. < Greek aplánētos; see a-6, planet) + -ic]
ap`la•nat′i•cal•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.aplanatic - free from or corrected for spherical aberrationaplanatic - free from or corrected for spherical aberration; "an aplanatic mirror"
optics - the branch of physics that studies the physical properties of light
corrected - having something undesirable neutralized; "with glasses her corrected vision was 20:20"
References in periodicals archive ?
DETAILS: Celestron EdgeHD 14 aplanatic Schmidt-Cassegrain telescope and Atik 460EX monochrome CCD camera used with LRGB filters.
Contract awarded for (1) Fabricate aplanatic solid immersion lens and (2) Fabricate imaging target of integrated circuits.
The distance between photosensitive surface of prefocal CMOS detector and imaging CCD detector is also D in aplanatic focal plane.
With such a wide variety of hand magnifiers available containing spherical, biconvex, aspheric or aplanatic lenses, it is important that practitioners consider the benefits of each with their visually impaired users or hobbyists in mind.
The applications addressed in the book include, among others, a LADAR guidance system using prism pairs, aplanatic prism spectrography, a reflecting wedge prism for an optical reader, and inversion prisms for range finders.