eye-pointn.

Brit.

/ˈʌɪpɔɪnt/, U.S.

/ˈaɪˌpɔɪnt/

Origin: Formed within English, by compounding. Etymons: eye n.¹, point n.¹

Etymology: < eye n.¹ + point n.¹

1. A point in front of a picture where an observer's eye is assumed or expected to be placed; (also) the point where a perpendicular from an observer's eye meets the plane of a picture. Also in extended use. Now historical.

ΘΚΠ

society > leisure > the arts > visual arts > painting and drawing > perspective > [noun] > planes, lines, or points

horizontal plane1638

eye-pointa1650

table1670

principal point1671

plan1678

geometrical plane1695

terrestrial line1704

vertical plane1704

baseline1724

station line1724

middle ground1753

picture plane1771

middle distance1778

primitive plane1798

seat1815

mid-distance1828

ground-plane1833

station point1859

mid-ground1864

no-sky line1927

a1650 E. Norgate in M. Hardie Norgate's Miniatura (1919) 86 For designe of Perspective..having fixt your eyepoint in its true distance, wherein they comonly fasten a needle..you are infalibly led to score out those oblique lines which..extend or foreshorten your worke.

1658 J. Palmer Catholique Planisphær i. ii. 4 The semicircles of the Equator, the East Meridian, and the Ecliptick, will be depainted on the glass in straight lines..they be great Circles, and pass through the eye point of this projection.

1739 J. Hodgson Theory Perspective iv. 8 in E. Chambers tr. J. Dubreuil Pract. of Perspective (ed. 3) From the Eye Point S draw a Line parallel to the original Line upon the horizontal Table.

1809 W. Nicholson Brit. Encycl. IV. (at cited word) Line of measures... It is the common section of a plane passing through the eye point and the centre of the primitive at right angles to any oblique circle which is to be projected.

1828 J. Porter Field of Forty Footsteps iii, in J. Porter & A. M. Porter Coming Out & Field of Forty Footsteps III. 57 Such a golden fortune..not coming every day within the eye-point of a citizen's bow, Geoffrey first believed he despised the height he could not reach.

1867 G. W. Samson Elements Art Crit. ii. ii. 215 The ‘distance-point’, or ‘eye-point’, is of equal importance with the ‘vanishing point’.

1918 Sci. Monthly Mar. 273 The vanishing point of lines perpendicular to the picture-plane is called the eye-point of the perspective.

1997 R. Yee Archit. Drawing vi. 272 The image generated on a picture plane by projecting lines from the object to a single eye point.

†2. Zoology. = eyespot n. 1b. Obsolete.

ΘΚΠ

the world > animals > animal body > general parts > head and neck > [noun] > rudimentary eye

eyespot1845

eye-point1846

the world > matter > colour > variegation > spot of colour > [noun] > eye-shaped spot

eyea1398

eye1658

eye1681

eyespot1798

eye-point1846

ocellation1846

1846 J. Lindley Veg. Kingdom 2 In the cells of that plant there are found minute animalcules, with a red eye-point.

1874 Pop. Sci. Monthly May 20 Light first was when the first red eye-point of an infusorial animal for the first time distinguished light from darkness.

1894 Ann. Rep. Smithsonian Inst. July 1893 456 This familiar organism [sc. Euglena] advances with its flagellum forwards, the sharp end of the spindle having a red or orange eye point.

3. The point where the eye should be placed when using an optical instrument or a camera; = exit pupil n. at exit n. Compounds 2.

ΘΚΠ

the world > physical sensation > sight and vision > thing seen > place where view obtained > [noun]

sightc1515

standing point1606

station1659

aspect1660

point of view1701

viewpoint1839

visual point1842

standpoint1843

eye-point1875

the world > physical sensation > sight and vision > optical instruments > lens > [noun] > eye-piece

eyeglass1665

ocular1702

eyepiece1729

Ramsden1787

field glass1797

negative eyepiece1831

positive eyepiece1842

Kellner1865

orthoscopic1868

eye-point1875

comparison eyepiece1940

1875 Monthly Microsc. Jrnl. 14 192 This..aperture image..is thus associated with the final virtual image of the object, and appears at the eye-point, so called, above the ocular where it may be examined with a lens.

1891 S. H. Gage Microscope & Histol. (ed. 3) v. 112 The perforation in the silvered surface must also be at the level of the eye-point... If it is above or below or to one side, of the eye-point, part or all of the field of the microscope will be cut off.

1969 Jrnl. Brit. Astron. Assoc. 79 351 Telescope Eyepieces... The small cross shows the position of the exit pupil or eyepoint for each type.

2003 Amer. Photo July 56/2 The Leica R9..has a higher eyepoint and a wider diopter-adjustment range, making its excellent viewfinder even easier on the eyes.

This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).

单词	eye-point
释义	eye-pointn. Brit. /ˈʌɪpɔɪnt/, U.S. /ˈaɪˌpɔɪnt/ Origin: Formed within English, by compounding. Etymons: eye n.¹, point n.¹ Etymology: < eye n.¹ + point n.¹ 1. A point in front of a picture where an observer's eye is assumed or expected to be placed; (also) the point where a perpendicular from an observer's eye meets the plane of a picture. Also in extended use. Now historical. ΘΚΠ society > leisure > the arts > visual arts > painting and drawing > perspective > [noun] > planes, lines, or points horizontal plane1638 eye-pointa1650 table1670 principal point1671 plan1678 geometrical plane1695 terrestrial line1704 vertical plane1704 baseline1724 station line1724 middle ground1753 picture plane1771 middle distance1778 primitive plane1798 seat1815 mid-distance1828 ground-plane1833 station point1859 mid-ground1864 no-sky line1927 a1650 E. Norgate in M. Hardie Norgate's Miniatura (1919) 86 For designe of Perspective..having fixt your eyepoint in its true distance, wherein they comonly fasten a needle..you are infalibly led to score out those oblique lines which..extend or foreshorten your worke. 1658 J. Palmer Catholique Planisphær i. ii. 4 The semicircles of the Equator, the East Meridian, and the Ecliptick, will be depainted on the glass in straight lines..they be great Circles, and pass through the eye point of this projection. 1739 J. Hodgson Theory Perspective iv. 8 in E. Chambers tr. J. Dubreuil Pract. of Perspective (ed. 3) From the Eye Point S draw a Line parallel to the original Line upon the horizontal Table. 1809 W. Nicholson Brit. Encycl. IV. (at cited word) Line of measures... It is the common section of a plane passing through the eye point and the centre of the primitive at right angles to any oblique circle which is to be projected. 1828 J. Porter Field of Forty Footsteps iii, in J. Porter & A. M. Porter Coming Out & Field of Forty Footsteps III. 57 Such a golden fortune..not coming every day within the eye-point of a citizen's bow, Geoffrey first believed he despised the height he could not reach. 1867 G. W. Samson Elements Art Crit. ii. ii. 215 The ‘distance-point’, or ‘eye-point’, is of equal importance with the ‘vanishing point’. 1918 Sci. Monthly Mar. 273 The vanishing point of lines perpendicular to the picture-plane is called the eye-point of the perspective. 1997 R. Yee Archit. Drawing vi. 272 The image generated on a picture plane by projecting lines from the object to a single eye point. †2. Zoology. = eyespot n. 1b. Obsolete. ΘΚΠ the world > animals > animal body > general parts > head and neck > [noun] > rudimentary eye eyespot1845 eye-point1846 the world > matter > colour > variegation > spot of colour > [noun] > eye-shaped spot eyea1398 eye1658 eye1681 eyespot1798 eye-point1846 ocellation1846 1846 J. Lindley Veg. Kingdom 2 In the cells of that plant there are found minute animalcules, with a red eye-point. 1874 Pop. Sci. Monthly May 20 Light first was when the first red eye-point of an infusorial animal for the first time distinguished light from darkness. 1894 Ann. Rep. Smithsonian Inst. July 1893 456 This familiar organism [sc. Euglena] advances with its flagellum forwards, the sharp end of the spindle having a red or orange eye point. 3. The point where the eye should be placed when using an optical instrument or a camera; = exit pupil n. at exit n. Compounds 2. ΘΚΠ the world > physical sensation > sight and vision > thing seen > place where view obtained > [noun] sightc1515 standing point1606 station1659 aspect1660 point of view1701 viewpoint1839 visual point1842 standpoint1843 eye-point1875 the world > physical sensation > sight and vision > optical instruments > lens > [noun] > eye-piece eyeglass1665 ocular1702 eyepiece1729 Ramsden1787 field glass1797 negative eyepiece1831 positive eyepiece1842 Kellner1865 orthoscopic1868 eye-point1875 comparison eyepiece1940 1875 Monthly Microsc. Jrnl. 14 192 This..aperture image..is thus associated with the final virtual image of the object, and appears at the eye-point, so called, above the ocular where it may be examined with a lens. 1891 S. H. Gage Microscope & Histol. (ed. 3) v. 112 The perforation in the silvered surface must also be at the level of the eye-point... If it is above or below or to one side, of the eye-point, part or all of the field of the microscope will be cut off. 1969 Jrnl. Brit. Astron. Assoc. 79 351 Telescope Eyepieces... The small cross shows the position of the exit pupil or eyepoint for each type. 2003 Amer. Photo July 56/2 The Leica R9..has a higher eyepoint and a wider diopter-adjustment range, making its excellent viewfinder even easier on the eyes. This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022). < n.a1650
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