Focusing The focusing knobs are located on the inclinable drive housing. Is the focus movement too loose or too tight? Does the outfit tend to slide downwards? You can adjust the movement in accordance with the weight of the outfit and with your own personal requirements:

￿Hold the drive knobs firmly with both

hands and turn them in opposite direc- tions until you obtain the required degree of resistance during focusing.

Possible adjustments

Tilting ￿ Release the clamping screw. ￿ Tilt the instrument.

￿Retighten the clamping screw.

Altering the ￿ Release the clamping screw. working distance ￿ Raise or lower the cross-member as re-

quired together with the horizontal arm. ￿ Retighten the clamping screw.

Reposition the safety ring (see page 28).

Sideways movement ￿ Release the clamping screw. ￿ Move the instrument sideways

on the cross-member.

￿ Retighten the clamping screw.

Altering the overhang ￿ Release the clamping screw. ￿ Displace the horizontal arm. ￿ Retighten the clamping screw.

Leica M Stereomicroscopes – Assembly

29

Page 29
Image 29
Leica MZ16 A Possible adjustments, Reposition the safety ring see, On the cross-member Retighten the clamping screw