aplanat
English
Noun
aplanat (plural aplanats)
- (optics) A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.
- 1894, W. K. Burton, The Zeiss Anastigmatic Lenses, Julius F. Sachse (editor), American Journal of Photography, Volume XV, page 4,
- 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;
- 2014, J. F. James, An Introduction to Practical Laboratory Optics, Cambridge University Press, page 171,
- Some infra-red detectors are sold already embedded in a plastic aplanat.
- 1894, W. K. Burton, The Zeiss Anastigmatic Lenses, Julius F. Sachse (editor), American Journal of Photography, Volume XV, page 4,
Related terms
- aplanatic
- aplanatism
Translations
lens corrected for spherical aberration and coma
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See also
- achromat
- anastigmat
Further reading
Spherical aberration on Wikipedia.Wikipedia - Optical aberration on Wikipedia.Wikipedia
Catalan
Verb
aplanat
- past participle of aplanar
French
Noun
aplanat m (plural aplanats)
- aplanat
Related terms
- aplanétique
Further reading
- “aplanat”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Polish
Etymology
Borrowed from German Aplanat, from Ancient Greek ἁπλοῦς (haploûs). Doublet of apla.
Pronunciation
- IPA(key): /apˈla.nat/
Audio (file) - Rhymes: -anat
- Syllabification: ap‧la‧nat
Noun
aplanat m inan
- (optics) aplanat, aplanatic lens
Declension
Declension of aplanat
| singular | plural | |
|---|---|---|
| nominative | aplanat | aplanaty |
| genitive | aplanatu | aplanatów |
| dative | aplanatowi | aplanatom |
| accusative | aplanat | aplanaty |
| instrumental | aplanatem | aplanatami |
| locative | aplanacie | aplanatach |
| vocative | aplanacie | aplanaty |
Derived terms
adjective
- aplanatyczny
Further reading
- aplanat in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
- aplanat in Polish dictionaries at PWN
Romanian
Etymology
Past participle of aplana.
Noun
aplanat n (plural aplanaturi)
- calming
Declension
Declension of aplanat
| singular | plural | |||
|---|---|---|---|---|
| indefinite articulation | definite articulation | indefinite articulation | definite articulation | |
| nominative/accusative | (un) aplanat | aplanatul | (niște) aplanaturi | aplanaturile |
| genitive/dative | (unui) aplanat | aplanatului | (unor) aplanaturi | aplanaturilor |
| vocative | aplanatule | aplanaturilor | ||
Verb
aplanat (past participle of aplana)
- past participle of aplana
References
- aplanat in Academia Română, Micul dicționar academic, ediția a II-a, Bucharest: Univers Enciclopedic, 2010. →ISBN