Leica M165 C, M205 A Correct Interpupillary Distance, Reference value, Look into the eyepieces

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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Leica M series Manual 49