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objective lens

noun 

See objective
ob·jec·tive (əb-jĕḱtĭv)

adjective 

  1. Of or having to do with a material object.
  2. Having actual existence or reality.
    1. Uninfluenced by emotions or personal prejudices: an objective critic. See synonyms at fair1
    2. Based on observable phenomena; presented factually: an objective appraisal.
  3. Medicine Indicating a symptom or condition perceived as a sign of disease by someone other than the person affected.
  4. Grammar
    1. Of, relating to, or being the case of a noun or pronoun that serves as the object of a verb.
    2. Of or relating to a noun or pronoun used in this case.

noun 

  1. Something that actually exists.
  2. Something worked toward or striven for; a goal. See synonyms at intention
  3. Grammar
    1. The objective case.
    2. A noun or pronoun in the objective case.
  4. The lens or lens system in a microscope or other optical instrument that first receives light rays from the object and forms the image. Also called object glass, objective lens, object lens

derivatives

ob·jećtive·ly
adverb
ob·jećtive·ness
noun