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{%type%} Definitions

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Short "hint"

adj. - Corrected for both chromatic and spherical aberration.

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Usage examples (10)
  • An apochromatic lens
  • Zeiss prepares a compensating eyepiece micrometer for use with his apochromatic objectives, the divisions of which are so computed that
  • Threads up to about one twenty-thousandth of an inch in diameter may be sufficiently well measured by means of a Zeiss "4 centimetre apochromatic object-glass" and an...
  • Although with the increase in power it is correspondingly difficult to combine all these corrections in one objective, they are brought to a high pitch of excellence in the...
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