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Leica DM 500, DM500 B Manual 30
1. Adjust the eyetubes for your interpupillary
distance. Fold or unfold the eyetubes to
decrease or increase the distance between
the eyepieces until you see one illuminated
circle.
The viewing tubes maintain a constant
tube length for all interpupillary settings.
This means that a change of interpupillary
distance does not affect parfocality, magnifica-
tion, or calibrations that depend on magnifica-
tion.
Leica EZ Viewing Tube
If you are using a Leica EZ viewing tube, which
already has the eyepieces integrated with
the eyetubes, there are no additional adjust-
ments necessary. Be sure you are wearing your
eyeglasses or contact lenses. Go on to section
"Oil Immersion" on page 32.
Standard Viewing Tube with Two Fixed
Eyepieces
If you are using a standard viewing tube with
two fixed eyepieces (no focusing eyepieces),
there are no additional adjustments neces-
sary. Be sure you are wearing your eyeglasses
or contact lenses. Go on to section "Oil Immer-
sion" on page 32.
Standard Tube with One or Two Focusing
Eyepieces
If you are using a standard viewing tube with
one or two focusing eyepieces, you need to
make some adjustments:
1. Set the focusing eyepieces to the "0" diopter
setting.
Viewing Tube Adjustment