focal distance


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Related to focal distance: Effective focal length

focal distance

ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.focal distance - the distance from a lens to its focusfocal distance - the distance from a lens to its focus
distance - the property created by the space between two objects or points
Translations
References in classic literature ?
Of what use is genius, if the organ is too convex or too concave and cannot find a focal distance within the actual horizon of human life?
The results of the focal distance calculated with measuring curvatures by Eq.
This first solution seems to be the easy way from the constructor's point of view but it has some drawbacks: due to the large area of the lens, the focal distance is also long, so the resulting height of the system will be large rendering it less desirable.
Fish size was measured both by using a pair of parallel laser beams, and an auto-focus video camera linked to software for estimating object size based on the focal distance of the object in focus.
A simple comparison of the number of cells visible in the field from the same specimen at the same focal distance consistently verified a 3% to 5% increase in that count compared before and after processing.
The system's focal distance (the distance the x-ray beam travels from the x-ray tank exit to the surface of the imaging detector) can be automatically adjusted for each can size, offering optimum detection and a higher level of operational flexibility.
Through the use of mirrors, the beam is quickly located onto the workpiece surface as required: consider that if the focal distance is 1 m and the requirement calls for spots to be separated by 25.

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