rangefinder
Noun
Meaning
a measuring instrument (acoustic or optical or electronic) for finding the distance of an object
Source: WordNetSynonyms
Hypernyms
Phrases with the word
Examples
Because the viewfinder is on top of the lens and of the close proximity of the subject, goggles are fitted in front of the rangefinder and a dedicated viewfinder installed to compensate for parallax.
Digital rangefinders main A rangefinder is a device to measure subject distance, with the intent to adjust the focus of a camera's objective lens accordingly ( open-loop controller ).
Data capture Example of hardware for mapping ( GPS and laser rangefinder ) and data collection ( rugged computer ).
For instance, both the current Leica Noctilux-M 50mm ASPH and a 1960s-era Canon 50mm rangefinder lens have a maximum aperture of f /0.95.
Parallax error can be seen when taking photos with many types of cameras, such as twin-lens reflex cameras and those including viewfinders (such as rangefinder cameras ).
Rangefinder camera main As camera a lens technology developed and wide aperture lenses became more common, rangefinder cameras were introduced to make focussing more precise.