aplanatic मीनिंग इन हिंदी

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He invented the aplanatic lens and also coined this term.
IDC clarity grading is by examination using a 10x achromatic, aplanatic loupe in normal light.
Aplanatic ( a particular case of SMS ) versions of these designs have also been developed.
Abbe condensers are difficult to use for magnifications of above 400X, as the aplanatic cone is only representative of an NA 0.6.
Lenses in which both spherical aberration and coma are minimized at a single wavelength are called " bestform " or " aplanatic " lenses.
E . Abbe succeeded in computing microscope objectives free from error of the axis point and satisfying the sine condition for several colors, which therefore, according to his definition, were " aplanatic for several colors "; such systems he termed " apochromatic ".
This laboratory was one of the leading astronomical research groups in the USSR . While there he published " = 015 @ @ 0F8 > = = K5 > B @ 060NI85 ? > 25 @ E = > AB8 8 A8AB5 < K 8 = > 2K5 A ? > A > 1K 8E 8A ? KB0 = 8O " [ Aberration-free reflective surfaces and systems and new methods of testing them ] ( 1932 ), in which he analyzed aplanatic double mirror systems and introduced the compensating method, which he proposed as early as 1924.

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