isocentreisocentern.

/ˈʌɪsəʊsɛntə/

Etymology: < iso- comb. form + centre n.¹ and adj.

In aerial photography, the point at which the bisector of the angle between the optical axis of the camera and the vertical at the inner nodal point of the lens meets the plane of the camera plate or film (or the corresponding object point where the bisector meets the ground).

ΘΚΠ

society > leisure > the arts > visual arts > photography > action of taking photograph > technical factors > [noun] > type of focusing

depth of field1855

circle of least confusion1867

flatness of field1867

infinity1867

register1890

fixed focus1892

back focus1897

circle of confusion1906

isocentre1931

split-field1941

split-image1950

1931 M. Hotine Surv. from Air Photogr. v. 63 We may, therefore, consider the plate isocentre as the centre of tilt distortions, in that images are displaced radially from the isocentre from the positions they would occupy if the photograph had not been tilted.

1950 L. G. Trorey Handbk. Aerial Mapping i. 3 Any photograph is angle true with respect to the isocentre for all points in the plane of the isocentre.

1970 J. A. Howard Aerial Photo-ecol. ix. 102 The isocentre and nadir are very important due to their relation to tilt and radial displacement.

This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).

单词	isocentre
释义	isocentreisocentern. /ˈʌɪsəʊsɛntə/ Etymology: < iso- comb. form + centre n.¹ and adj. In aerial photography, the point at which the bisector of the angle between the optical axis of the camera and the vertical at the inner nodal point of the lens meets the plane of the camera plate or film (or the corresponding object point where the bisector meets the ground). ΘΚΠ society > leisure > the arts > visual arts > photography > action of taking photograph > technical factors > [noun] > type of focusing depth of field1855 circle of least confusion1867 flatness of field1867 infinity1867 register1890 fixed focus1892 back focus1897 circle of confusion1906 isocentre1931 split-field1941 split-image1950 1931 M. Hotine Surv. from Air Photogr. v. 63 We may, therefore, consider the plate isocentre as the centre of tilt distortions, in that images are displaced radially from the isocentre from the positions they would occupy if the photograph had not been tilted. 1950 L. G. Trorey Handbk. Aerial Mapping i. 3 Any photograph is angle true with respect to the isocentre for all points in the plane of the isocentre. 1970 J. A. Howard Aerial Photo-ecol. ix. 102 The isocentre and nadir are very important due to their relation to tilt and radial displacement. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018). < n.1931
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