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Objective
(redirected from objective lens)

   Also found in: Dictionary/thesaurus, Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
Objective (mutual funds)
The fund's investment strategy category as stated in the prospectus. There are more than 20 standardized categories. E.g. Aggressive growth, balanced.


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By rotating the nosepiece, you can select which objective lens to use.
The second number being 35 in this case is the diameter of the objective lens (the big one facing the object being looked at) in millimeters.
Later research into this effect revealed a surprising result, that is, the high reduction of the chromatic aberration of a single plano-convex objective lens by placing an achromatic doublet lens at some position along the focal length, and inside the prime focus itself.
 
 
 
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