Designating or relating to a technique for obtaining correct exposure, which involves varying the shutter-speed setting of a camera until two needles, one of which is controlled by a built-in light meter, become aligned in the viewfinder.
Origin
1970s; earliest use found in SLR Yearbook.
Definition of match-needle in US English:
match-needle
adjective
Photography
Designating or relating to a technique for obtaining correct exposure, which involves varying the shutter-speed setting of a camera until two needles, one of which is controlled by a built-in light meter, become aligned in the viewfinder.