Difference between revisions of "Depth of focus"
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* ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982 | * ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982 | ||
Revision as of 20:34, 30 April 2016
Description
The depth of focus is the range of distances in which an image plane is in good focus. For photography, the film is placed at the focal point of the image plane. Because the depth of focus increases with increasing magnification, small errors in focus setting may not be apparent in photomicrographs made with high power objectives. Whereas minor focus changes may be readily apparent with a low magnification lens.
Synonyms and Related Terms
Tiefenschärfe (Deut.)
Sources Checked for Data in Record
- ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982
- Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972