autofocusadj.n.

Brit.

/ˈɔːtə(ʊ)ˌfəʊkəs/, U.S.

/ˈɔdəˌfoʊkəs/,

/ˈɔdoʊˌfoʊkəs/,

/ˈɑdəˌfoʊkəs/,

/ˈɑdoʊˌfoʊkəs/

Inflections: Plural autofocuses, autofoci.

Origin: Formed within English, by compounding. Etymons: auto- comb. form¹, focus n.

Etymology: < auto- comb. form¹ + focus n.

Photography.

A. adj.

Designating an enlarger or camera that adjusts its focus automatically; of or relating to such an apparatus. Usually attributive.

ΘΚΠ

society > leisure > the arts > visual arts > photography > camera > [adjective] > types of camera

pinhole1861

twin-lens1894

reflex1907

autofocus1917

miniature1921

autofocusing1922

wide-field1925

beam-splitting1935

point-and-shoot1964

subminiature1968

multi-mode1980

multiprogramme1990

1917 Photographic Rev. Mar. (Review Suppl. & Bargain List) 3 Auto focus enlarging camera. 2nd hand.

1934 Pop. Mech. Mar. 26 a/3 (advt.) 3 5 × 7 auto-focus enlargements 25c.

1958 V. Drumm in M. L. Hall Newnes Compl. Amateur Photogr. 313 If the enlarger is auto-focus, try altering the focus slightly, and see if the image can be improved.

1984 J. Partridge One Touch Photogr. Introd. 6 All the pictures illustrating the book have been taken with autofocus cameras.

2005 Mobile Choice 10 Mar. 10/1 The arrival of the Sharp 902 is a watershed in mobile phone history..because it's primed with the first 2× optical zoom and autofocus mode.

B. n.

An autofocus facility or mode of operation.

ΘΚΠ

society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [noun] > focusing screen or system

screen1847

autofocusing1923

autofocus1958

microprism1962

1958 V. Drumm in M. L. Hall Newnes Compl. Amateur Photogr. 312 When the two systems are coupled together, auto-focus to get the approximate position, and manual focusing for the final fine touch, it is very satisfactory.

1984 J. Partridge One Touch Photogr. 56 The autofocus and automatic exposure will give you fast sharp pictures.

2005 Mobile Choice 10 Mar. 11/2 When it prowls in for the close-up, it takes autofocus a good few seconds to find a settled fix.

This entry has been updated (OED Third Edition, June 2011; most recently modified version published online December 2021).

单词	autofocus
释义	autofocusadj.n. Brit. /ˈɔːtə(ʊ)ˌfəʊkəs/, U.S. /ˈɔdəˌfoʊkəs/, /ˈɔdoʊˌfoʊkəs/, /ˈɑdəˌfoʊkəs/, /ˈɑdoʊˌfoʊkəs/ Inflections: Plural autofocuses, autofoci. Origin: Formed within English, by compounding. Etymons: auto- comb. form¹, focus n. Etymology: < auto- comb. form¹ + focus n. Photography. A. adj. Designating an enlarger or camera that adjusts its focus automatically; of or relating to such an apparatus. Usually attributive. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > [adjective] > types of camera pinhole1861 twin-lens1894 reflex1907 autofocus1917 miniature1921 autofocusing1922 wide-field1925 beam-splitting1935 point-and-shoot1964 subminiature1968 multi-mode1980 multiprogramme1990 1917 Photographic Rev. Mar. (Review Suppl. & Bargain List) 3 Auto focus enlarging camera. 2nd hand. 1934 Pop. Mech. Mar. 26 a/3 (advt.) 3 5 × 7 auto-focus enlargements 25c. 1958 V. Drumm in M. L. Hall Newnes Compl. Amateur Photogr. 313 If the enlarger is auto-focus, try altering the focus slightly, and see if the image can be improved. 1984 J. Partridge One Touch Photogr. Introd. 6 All the pictures illustrating the book have been taken with autofocus cameras. 2005 Mobile Choice 10 Mar. 10/1 The arrival of the Sharp 902 is a watershed in mobile phone history..because it's primed with the first 2× optical zoom and autofocus mode. B. n. An autofocus facility or mode of operation. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [noun] > focusing screen or system screen1847 autofocusing1923 autofocus1958 microprism1962 1958 V. Drumm in M. L. Hall Newnes Compl. Amateur Photogr. 312 When the two systems are coupled together, auto-focus to get the approximate position, and manual focusing for the final fine touch, it is very satisfactory. 1984 J. Partridge One Touch Photogr. 56 The autofocus and automatic exposure will give you fast sharp pictures. 2005 Mobile Choice 10 Mar. 11/2 When it prowls in for the close-up, it takes autofocus a good few seconds to find a settled fix. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online December 2021). < adj.n.1917
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