In this post I will explain how to find a crude approximation to the focal length of a webcam or cell phone camera ( i.e. fixed focal length cameras ) if calibration is not an option or if you are too lazy to take a few pictures of a checkerboard. Recently I was working on a pr...
Answer to: The focal length of a smartphone camera lens is 2.5mm. What is the distance from that lens to the image of an object that is very...
focal length- the distance from a lens to its focus focal distance distance- the property created by the space between two objects or points Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. ...
focal length noun Synonyms for focal length nounthe distance from a lens to its focus Synonyms focal distance Related Words distance Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, ad...
cell-phone cameraA practical instrumentation configuration for measuring focal length of cell-phone camera lenses is presented that uses a custom autocollimator, a grating, an autostigmatic microscope, and a precision stage. Uncertainty in LED wavelength is reduced by using a white LED and a set ...
calibrated focal length camera calibration camera lens centering chalk and talk closeup lens compound microscope confocal microscope continuous strip camera References in classic literature ? Yonder was Arthur, King of Britain; yonder was Guenever; yes, and whole tribes of little provincial kings and ...
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The focal length of a lens is the optical distance from the point where the light meets inside the lens to the camera’s sensor. Learn more today.
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R Bhatnagar,D Bhawalkar - 《IEEE Journal of Quantum Electronics》 被引量: 2发表: 2003年 Practical measurement of cell-phone camera lens focal length A practical instrumentation configuration for measuring focal length of cell-phone camera lenses is presented that uses a custom autocollimator, a gra...