coincidence rangefinder

(redirected from Parallax rangefinder)

coincidence rangefinder

[kō′in·sə·dəns ′rānj‚fīnd·ər]
(optics)
An optical rangefinder in which one-eyed viewing through a single eyepiece provides the basis for manipulation of the rangefinder adjustment to cause two images of the target or parts of each, viewed over different paths, to match or coincide.
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