National Optical 131-CLED Manual

National Optical Mikroskop 131-CLED

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National Optical & Scientific Instruments Inc.

6508 Tri-County Parkway

Schertz, TX 78154

Phone (210) 590-9010 Fax (210) 590-1104

INSTRUCTIONS FOR

MODELS 131, 132, 131-CLED & 132-CLED

COMPOUND MICROSCOPES

NOTE: These models share common features, nomenclature and

method of operation. The only difference are…

Models 131 & 132 feature electric illumination from a

tungsten bulb.

Models 131-CLED & 132-CLED feature electric illumination from a

LED bulb.

Models 132 & 132-CLED have both 30° inclined and vertical

eyepiece tubes, each supplied with WF10x

eyepiece.

National Optical & Scientific Instrument Inc.

For optimum viewing satisfaction, follow these simple procedures. Nomenclature used to describe components and

controls can be identified by referring to the diagram at left.

UNPACKING

1. For Models 131 & 132, carefully remove microscope, dustcover and for Models 131-CLED & 132-CLED also remove

a “L” hex wrench. Always handle and move microscope by securely holding the arm of microscope. 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.

2. Examine packing material before you discard it. 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.

DESCRIPTION OF COMPONENTS

1. EYEPIECE (ocular lens) Lens closest to the eye, magnifies the primary image formed by the objective lens. Dual

head models 132 and 132-CLED feature 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 132 and 132-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 Lens closest to the object being viewed, forms first magnified image of the specimen.

5. STAGE CLIPS Two locked-on clips hold specimen slide in place on stage. Note: Your microscope is already drilled

and tapped to accept an optional mechanical stage. Mechanical stage replaces stage clips and permits precise,

mechanical manipulation of the specimen slide.

6. STAGE Platform of the microscope where the specimen slide is placed.

7. CONDENSER LENS An 0.65 N.A. condenser lens, fixed in center of stage, condenses light rays from substage

illumination and fills the back lens element of objective lens to improve image resolution.

8. DISC DIAPHRAGM Rotating disc located below stage, with holes of various apertures, designed to help achieve

optimum resolution of the objective lens. Larger apertures used for higher magnifications, and smaller apertures used

for lower magnifications.

9. SAFETY RACK STOP When properly adjusted, controls maximum upward travel of stage. Prevents higher power

objectives from breaking specimen slides, prevents damage to objective lenses. This stop has been pre-adjusted at

the factory.

10. FOCUSING KNOBS Coarse focusing knobs (larger knobs) located on each side of arm, raise or lower stage to

bring specimen image into focus. Fine focus knobs (smaller knobs located just below coarse focusing knobs) permit

more precise image adjustment.

11. ILLUMINATION Models 131 & 132 have a built-in substage electric illuminator and Models 131-CLED & 132-CLED

have a built-in substage electrical LED illuminator that provides constant, reliable, pre-focusing illumination.

OPERATION

1. Place microscope directly in front of you in a manner which permits you to comfortably look into the eyepiece. Note

that the head of microscope rotates 360º, permitting you to operate the microscope from the front or from the back,

whichever is most convenient for you. It also permits convenient sharing of microscope by more than one user, by

simply rotating head, without needing to move entire microscope. Most users will position the microscope with the

arm facing them so that focusing knobs are most convenient to reach.

Produkt Specifikationer

Mærke:	National Optical
Kategori:	Mikroskop
Model:	131-CLED

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