Structure of dental surgical loupes
This adjustment is controlled by turning the interpupillary adjustment knob back and forth,
until the image converges into a circle.
Adjust the hinge mechanism so that the optics are angled approximately 30 to 45 degrees below a horizontal line. This will allow for the user to look down into the optics while working, keeping an upright posture.
There is two hole on hinge, if lens is short, we will fix lens on the back hole; if lens is long, we will fix lens on the front hole to avoid the ocular touch the glass.
The loupes have a preset working distance.Be sure to position yourself back and forth to find the optional distance for your focusing.Adjusting head-band to wear them comfortable.