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parfocal
[ pahr-foh-kuhl ]
adjective
Optics.
- of or relating to different eyepieces (of telescopes or microscopes) that all focus their images in the same plane, so that they can be interchanged without readjusting the instrument.
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˜yÐÄvlog History and Origins
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Example Sentences
Examples have not been reviewed.
Rumour that David Gill may get involved #mufc Preamble: Yesterday figures close to Wayne Rooney let it be known that he was considering a move from Old Trafford; today the media's parfocal lens is focused on a silly-money transfer to Manchester City.
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