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focus
(redirected from focuser)

   Also found in: Dictionary/thesaurus, Medical, Idioms, Encyclopedia, Wikipedia 0.01 sec.


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25-inch focuser accepts commercial eyepieces and accessories and the standard tripod screw thread works with a regular photographic tripod (not included).
The other optical constituents of this telescope are a finder scope, an eye piece, a focuser, and the mirror support system.
It used to be that people would put on any pair of readers, not paying attention to which power they need, and use their arm as an auto focuser.
 
 
 
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