Accessories
Tubes
Assembly • All accessory tubes which fit between the optics carrier and the binocular tube are fitted in the same manner.
•In the dovetail ring of the optics carrier is a locating screw which must engage the notch in the accessory (page 35). This is best accomplished by moving the accessory slightly from side to side.
Release the clamping screw.
Insert the accessory tube into the dove- tail ring in the same manner as the binoc- ular tube (page 35) and move it slightly from side to side until the locating screw engages the notch.
Retighten the clamping screw.
Fit the binocular tube on the accessory tube in the same manner.
Double-iris diaphragm
A
The
Set the lever to OPEN: The
The depth of field increases as the lever is moved from OPEN to 1. Remember, however, that
–brightness decreases, so exposure times become longer
–resolution deteriorates.
50 | Leica M Stereomicroscopes – Accessories |