> as lemmas
teleconverter
teleconverter n.
Brit. 
/ˈtɛlᵻkənˌvəːtə/
, /ˈtɛlᵻkənˌvəːtə/U.S. /ˈtɛləkənˌvərdər/
Photography a lens attachment which enables a camera to take detailed photographs of distant objects by increasing its effective focal length; cf. telephoto n.1 1.Recorded earliest in attributive use./ˈtɛləkənˌvərdər/ΘΚΠ
society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [noun] > lens > types of
portrait lens1852
short-focus lens1862
periscope1865
rectilinear1867
pantoscope1868
wide-angle1868
long lens1876
apochromatic1887
anastigmat1890
concentric lens1890
euryscope1890
landscape lens1890
rectigraph1890
symmetrical1890
concentric1893
telelens1893
telephoto1894
monocle1897
stigmat1901
stigmatic1902
Long Tom1910
zoom lens1932
Panavision1955
teleconverter1959
macro lens1961
zoom1969
macro1971
1959 Pop. Photogr. Sept. 87/1 Coming, but not tested, are a tele-converter lens providing a zoom range of from 18 to 50 mm, and a wide-angle converter giving zooms from six to 16 mm.
1979 SLR Camera Mar. 36/3 A short cut to getting involved in tele photography, where your budget is tight, is to use a tele-converter.
2014 West Austral. (Perth) (Nexis) 12 Apr. (Travel section) 23 You will have to do some research and make sure you get the right teleconverter.
<
as lemmas