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For optimum viewing satisfaction, follow these simple procedures. Nomenclature used to describe components and
controls can be identified by referring to the diagram on prior page.
UNPACKING
Models 129B-CLED & 129-CLED: Carefully remove microscope, specimen holder, "L" hex wrench and dustcover.
Model: 128-CLED: Carefully remove microscope, "L" hex wrench and dustcover.
Always handle and move microscopes by securely holding the arm of microscope with one hand and under the base with
the other hand. Avoid touching any of the lens surfaces while handling the microscope. Dust, dirt, or fingerprints can
damage the delicate lens surfaces or adversely affect image quality.
Retain the styrofoam container in case you need to transport, store, or return the microscope for
service.
If it becomes necessary to ship the microscope for any reason, pack it in the styrofoam container, and then
pack the styrofoam in another corrugated shipping container for optimum protection. Use of the styrofoam alone will not
provide adequate protection in transit, and will void your warranty.
SPECIMEN HOLDER ASSEMBLY – 129-CLED and 129B-CLED only
1. Place microscope on level surface.
2. Rotate coarse focusing knob to move stage platform to its lowest position. Remove two knurled screws from
mechanical stage platform. Place specimen holder on stage, and using the two knurled locking screws, attach holder
to mechanical stage.
DESCRIPTION OF COMPONENTS
1. EYEPIECE (ocular lens) Lens closest to the eye, magnifies the primary image formed by the objective lens. Dual
head model 128-CLED features both an inclined eyepiece (for primary viewing) and a vertical eyepiece for second
viewer or for mounting a camera. The inclined eyepiece is equipped with a "pointer" that rotates as the eyepiece is
turned.
2. DIOPTER ADJUSTMENT (on models 128-CLED and 129B-CLED only) Permits focusing adjustment of image for any
difference in vision between primary and secondary viewers.
3. OBJECTIVE TURRET (nosepiece) Revolving turret which holds objective lenses, permits changes of magnification
by rotating different powered objective lenses into optical path.
4. OBJECTIVE LENS
5. MECHANICAL STAGE Permits precise, mechanical manipulation of the specimen slide.
6. STAGE
Platform of the microscope where the specimen slide is placed.
7. ABBE CONDENSER
stage illumination, and assists in obtaining optimum image resolution and contrast.
8. IRIS DIAPHRAGM Attached to the bottom of Abbe condenser, controls aperture of light by moving lever left or right.
9. FILTER HOLDER On Models 129-CLED & 129B-CLED, the swing out filter has a built in frosted filter.
10. SAFETY RACK STOP
objectives from breaking specimen slides, prevents damage to objective lenses. This stop has been pre-adjusted at
the factory.
11. FOCUSING KNOBS
bring specimen image into focus. Fine focus knobs (smaller knobs located just below coarse focusing knobs) permit
more precise image adjustment.
12. ILLUMINATION
Microscopes are equipped with LED illumination.
13. ILLUMINATION CONTROLS Only Models 129-CLED and 129B-CLED variable intensity of the illumination.
Lens closest to the object being viewed, forms first magnified image of the specimen.
The 1.25 N.A. Abbe condenser provides a more sophisticated method of controlling the sub-
When properly adjusted, controls maximum upward travel of stage. Prevents higher power
Coarse focusing knobs (larger knobs) located on each side of arm, raise or lower stage to
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