Aberasi sferis
Definition & Context
Noun
A word that functions as the name of a specific object or set of objects, such as living creatures, places, actions, qualities, states of existence, or ideas.
An optical aberration that occurs when light rays passing through the edge of a lens do not converge at the same focal point as rays passing through the center, causing a “blur”.
Synonyms & Variants
aberasi lensa
Technical term in optics referring to the imperfection of light refraction in a lens.
cacat optik
General term for the failure of a lens to focus light perfectly.
distorsi lensa
Distortion of shape or image sharpness caused by the physical characteristics of a lens.
penyimpangan sferis
Loanword equivalent that emphasizes the aspect of geometric light deviation.
spherical aberration
Often used by professional photography practitioners in Indonesia.
aberasi optik
Broader category including spherical and chromatic aberrations.
cacat lensa
General term to describe optical issues.
Usage Notes or Etymology
The term derives from the Latin root aberrare meaning “to stray” and the Greek sphaira meaning “sphere”. Etymologically, it describes a geometric deviation inherent to perfectly curved surfaces. Historically, the understanding of this phenomenon evolved from the era of Alhazen to refinements by Christiaan Huygens in the 17th century. In a formal context, physicists and optical engineers use this term to discuss the inherent limitations of simple spherical lenses. Its usage emphasizes the technical aspect of focal irregularity rather than mere equipment damage. Mastering this term is crucial in professional photography and astronomy to distinguish between “achromatic” lens quality and standard optics.
Real-world Usage
Lensa kamera ini mahal karena bisa mengurangi efek aberasi sferis secara signifikan.
English Translation
Representative of real-world usage and contextual accuracy.
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