Operating
Diopter adjustment If you adjust the diopters at the adjustable eyepiece as and setting described below, the focus will remain constant, or par- parfocality focal, from minimum to maximum magnification. In other
words, you will not have to refocus when you change magnification, but only when you want to examine a higher- or
•Diopter adjustment is possible within a range from +5 to
Every user has to make the following adjustments only once.
If you are using a graticule, the diopter adjustment and parfocality setting procedure is slightly different to that described here. Please refer to the section on measure- ment in the graticule user manuals.
| Setting up diopter with an adjustable and a fixed |
| eyepiece |
Preparations | Set up illuminator. |
| Set interpupillary distance (p.23). |
| Set approximate working distance using the focusing |
| drive (see |
| various objectives). |
Bring the test | Position a flat test object |
object into focus | beneath the objective. |
| Set the microscope to |
| minimum magnification. |
| Close the eye that is |
| looking into the adjustable |
| eyepiece and look into the |
| fixed eyepiece with the |
| other eye. |
| View the test object and |
| bring into focus with the |
| focusing drive. |
28 | Leica StereoZoom User Manual |