optical aberration meaning in Hindi

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Defocus is the lowest-order true optical aberration.
Optical systems, and in particular optical aberrations are not always rotationally symmetric.
:: It sounds like some form of lens flare or optical aberration.
Defocus is the lowest order true optical aberration.
These actuators could also be used to correct for optical aberrations due to atmospheric interference.
It is a form of optical aberration.
It can also correct optical aberration.
So the question is, very simply, what optical aberration or illusion have I just described?
Another attractive feature is DHM s ability to use low cost optics by correcting optical aberrations by software.
It utilizes adaptive optics to remove optical aberrations from images obtained from scanning laser ophthalmoscopy of the retina.

noun.

an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
synonyms：,