what is working distance of loupes, How to measure working distance?
what is working distance? how to measure WD? |
the workig distance is one of the important data for the loupes. the working distace is the distance form the loupes user's eyes to patient mouth or the objects How do I measure my working distance?
just need chose the closer one to your real working distance. becaue all the loupes has depth of view. for examples. the loupes working disatnce is 420mm. the real working distance is the range is :380mm-460mm. . |