Leica DM1000 LED manual Immersion objective released

8. Operation

8.6Objectives Changing Objectives

The objective must be moved manually into the light path. Be sure that the nosepiece turret locks into place.

When you rotate the objective into position, the settings for

•Field diaphragm → p. 41

•Aperture diaphragm → p. 40

•Light intensity → p. 40

should be checked.

•For immersion objectives use the appropriate immersion medium.

OIL: Only use optical immersion oil according to DIN/ISO standards, cleaning → p. 55

W:Water immersion

IMM: Universal objective for water, glycerol, oil immersion

Caution!

Follow safety instructions for immersion oil!

Note:

For lockable immersion objectives lock these by pushing the front part upwards until it stops (approx. 2 mm). Then, after a gentle turning motion to the right, the objective is locked (Fig. 44).

For objectives with corrective mounts turn the knurl to adjust the objective to the thickness of the cover glass.

Fig. 43 Immersion objective (released) Fig. 44 Immersion objective (locked)

↔ ↔

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