what is working distance of loupes, How to measure working distance?
what is the working distance? how to measure WD? |
the working distance is one of the important data for the loupes. the working distance is the distance from the loupes user's eyes to the patient's mouth or the objects How do I measure my working distance?
just need to choose the closer one to your real working distance. because all the loupes have a depth of view. for examples. the loupe's working distance is 420mm. the real working distance is in the range:360mm-460mm. |