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Leica M-series User Manual 72
Parfocality: More Comfort and Convenience for Your Work
All Leica stereomicroscopes are parfocally
matched, meaning that you can view a focused
specimen from the lowest to the highest
magnification without having to refocus. The
focus needs only be readjusted if you want to
see a specimen location that is located higher
or lower.
Requirements for parfocal work
If you are using an eyepiece with dioptric
ρ
correction, the procedure differs from this
description. For more information, refer to
Page 78.
For the procedure for adjusting the parfo-
ρ
cality for the objective nosepiece, refer to
Page 29.
For the procedure for adjusting the parfo-
ρ
cality for the Leica FluoCombi III™, refer to
Page 34.
Parfocality
1. Enlarge the view to the maximum level.
2. Focus on the specimen.
You are done! Even if you select a smaller work-
ing distance, the specimen remains pin-sharp.
The parfocality is maintained until you focus on
another level of the specimen.