ofx camera calibration tool compatible with jit.cv.calibration under osx 10.8.4
you must have ofx instaled http://www.openframeworks.cc/download/
and ofxcv https://github.com/kylemcdonald/ofxCv (copy in openFrameworks/addons)
(copy ofx_calib in openFrameworks/addons/ofxCv)
binaries are included