aplanat

Noun

 * 1)  A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.
 * 2) * 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;
 * which is totally false since he established the algebraic conditions for thin-lens achromatic aplanats;

Translations

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Etymology
, from. .

Noun

 * , aplanatic lens

Etymology
Past participle of.

Noun

 * 1) calming