Created by: yuetingclaire
Number of Blossarys: 2
English (EN) 
Digital single-lens reflex cameras are digital cameras combining the parts of a single-lens reflex camera and a digital camera back, replacing the photographic film.
On a digital camera optical viewfinder is the eyepiece that you look through to frame and focus your subject before taking the picture.
A lens mount is an interface - mechanical and often also electrical - between a photographic camera body and a lens.
Optical coherence tomography (OCT) is an optical signal acquisition and processing method. It captures micrometer-resolution, three-dimensional images from within optical scattering media.
Phase comparator is a frequency mixer, analog multiplier or logic circuit that generates a voltage signal which represents the difference in phase between two signal inputs.
