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Leica M-series User Manual 66
The Correct Interpupillary Distance
The interpupillary distance is correctly set if you
see a single circular image field when looking
at a specimen.
If you are still a novice microscope user, you
may need a short time to become accustomed
to this. Not to worry—after a little while, it will
become automatic.
Reference value
The distance between eye and eyepiece
measures approx. 22 mm for 10/23B wide-field
eyepieces for persons wearing glasses.
Adjusting the interpupillary distance
1. Look into the eyepieces.
2. Hold the eyepieces with both hands. Push
the eyepieces together or separate them
until you see a circular image.
3. Slowly approach the eyepieces with your
eyes until you can see the complete image
field without corner cutting.
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