In a manner relating to aplanatism; describing optical behavior that corrects for spherical aberration.
From Greek 'a-' (without) + 'planos' (wandering, error) + '-ic' + '-ally'. A technical optics term formed in the 19th century when lens designers developed methods to eliminate optical distortions.
Aplanatically corrected lenses revolutionized microscopy and photography—engineers figured out how to bend light paths so precisely that the image stays sharp across the entire view, not just the center.
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