Celestron 44104 Bedienungsanleitung

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Table of Contents

Introduction …………………………………………………………………………………. 2

Laboratory Model # 44100 …………………………………………………………………. 3

Laboratory Model # 44102 …………………………………………………………………. 5

Advanced Model # 44104 …………………………………………………………………… 8

Advanced Model # 44106 …………………………………………………………………… 13

Care and Maintenance ……………………………………………………………………… 18

Warranty …………………………………………………………………………………….. 19

Introduction

Congratulations on your purchase of a Celestron microscope. Your microscope is a precision optical instrument, made of

the highest quality materials to ensure durability and long life. It is designed to give you a lifetime of pleasure with a

minimal amount of maintenance.

This instruction manual covers four microscope models. Please be sure to locate your specific model of microscope in

order to ensure you read the correct information.

Before attempting to use your microscope, please read through the instructions to familiarize yourself with the functions

and operations to maximize your enjoyment and usage. See the microscope diagrams to locate the parts discussed in this

manual.

The microscopes described in this manual provide high powers from 40 up to 1000x. These microscopes types are ideally

suited for examining specimen slides of yeasts and molds, cultures, plant and animal parts, fibers, bacteria, etc.

The final section provides simple care and maintenance tips for you to follow to ensure that your microscope provides you

with years of quality performance, usage, and enjoyment.

Laboratory Microscope – Model # 44100

2. Eyepiece

Tube

10. Arm

9. Safety Rack

Stop

8. Spring Loaded

Stage Clips

6.Illumination

Mirror

7. Base

1. Eyepiece

4. Objective Lens

5. Specimen Stage

3. Focus Knob

Figure 1

Standard Accessories Included with your Microscope

•10x Huygens Eyepiece •5 Prepared Slides

•20x Objective Lens (200x with eyepiece) •Dust Cover

Specifications

Model # 44100 Specifications

Stage Plain Stage with spring loaded clips -- 88mm x 88mm

Arm Angle choice from 0° to 45°

Focuser Coarse; Rack and Pinion with Safety Stop

Objective Achromatic 20x

Illuminator 42mm Plano-Concave Mirror

Eyepiece 10X -- 12mm Field of View

Setting Up Your Microscope

1. Take the Styrofoam container out of the cardboard carton.

2. Remove the tape from the Styrofoam container holding the two sections together.

3. Carefully remove the microscope and other parts and set them on a table, desk, or other flat surface.

4. Remove the plastic bag covering the microscope.

5. Remove the protective paper from the stage (5).

6. Remove the plastic cap from the eyepiece tube (2).

7. Insert the 10x eyepiece in the eyepiece tube (2). Your microscope is now ready to use!

Microscope Operation

Using the Illuminator Mirror

Your microscope has a built-in plano-concave illumination mirror which allows you to illuminate the specimen from the

bottom by reflecting an external light source (indirect sunlight, room light, lamp, etc.) to the stage. The mirror has a flat

side (you can easily see your reflection on the flat surface) and a concave side. The concave side will concentrate more

light onto the specimen than the flat side. To illuminate a specimen:

1. If it is daylight, tilt the mirror (6) and reflect indirect sunlight through the bottom of the stage (5). Warning: Never

use the mirror to focus direct sunlight through the microscope as this can be very harmful and may damage your

eyes.

2. If viewing at night or indoors, away from sunlight, you can use a nearby desk lamp, table lamp, or other light source

to reflect light onto a specimen.

To control the amount of light reflecting onto the specimen:

1. Use the concave side of the mirror to focus more light on the slide. The concave side will concentrate more light onto

your specimen but will focus a smaller beam of light, making it more sensitive to adjust.

2If you are unable to adjust the mirror enough to properly illuminate the specimen, you can also tilt the arm (10)

backwards to change the position of the mirror.

Adjusting the Arm Angle

The normal viewing position is at 0°. However, you can view at any angle from 0° to 45°. To change the viewing angle:

1. With one hand hold the base (7).

2. Then, with your other hand, tilt the arm (10) by pulling it backward or forward to the desired viewing angle.

Viewing a Specimen

Carefully place a specimen slide under the spring loaded stage clips (8) and center the specimen directly over the hole in the

center of the stage (5).

You are now ready to focus and view the specimen, but first you must take some precautions so as not to damage the

specimen slide or objective lens. Your microscope is equipped with a safety rack stop (9) which allows you to regulate the

range of travel on the focuser. This assures that the objective lens will not accidentally come into contact with the

specimen slide, breaking the slide or scratching the objective lens. To adjust the travel on the focus mechanism:

1. Raise the objective lens away from the specimen stage (5) by rotating the focus knob (3) backwards (clockwise).

2. Unthread the safety rack stop screw (9) about 2/3 of the way.

3. Lower the objective lens over the slide until the tip of the lens is slightly above the specimen slide. (Be careful not to

touch the objective lens to the slide).

4. Thread the safety screw (9) upward until it stops against the focus mechanism.

5. Rotate the knurled locking nut upward to lock the safety screw in place.

6. Now, turn the focus knob (3) until the specimen comes into sharp focus.

Laboratory Microscope – Model # 44102

1. Eyepiece

2. Eyepiece Tube

3. Coarse Focus Knob

12. Nosepiece

4. Objective Lens

5. Specimen Stage

6. Illumination Mirror

7. Base

8. Spring Loaded

Stage Clips

9. Safety Rack Stop

11. Fine Focus Knob

10. Arm

Figure 2

Standard Accessories with your Microscope

•10x Huygens Eyepiece •40x Objective Lens

•4x Objective Lens •5 Prepared Slides

•10x Objective Lens •Dust Cover

Specifications

Model # 44102 Specifications

Stage Plain Stage with spring loaded clips -- 120mm x 110mm

Arm Angle choice from 0° to 60°

Focuser Coarse and Fine focus knobs; Rack and Pinion Safety Stop

Objectives Achromatic -- 4x ( 40 power ), 10x ( 100 power), 40x ( 400 power)

Illuminator 50mm Plano-Concave Mirror

Eyepiece 10x -- 12mm Field of View

Nosepiece Triple with click stop

Condenser N.A. 0.65

Diaphragm Disc Diaphragm with five aperture sizes

Setting Up Your Microscope

1. Take the Styrofoam container out of the cardboard carton.

2. Remove the tape from the Styrofoam container holding the two sections together.

3. Carefully remove the microscope and other parts from the container and set them on a table, desk, or other flat

surface.

4. Remove the plastic bag covering the microscope.

5. Remove the protective paper from the stage (5).

6. Remove the plastic cap from the eyepiece tube (2).

7. Insert the 10x eyepiece in the eyepiece tube (2).

8. Remove the three objective lenses (4) from their containers. Unscrew the container lids from the threaded portion

of the objective lenses.

9. Thread the end of the 4mm objective lens into one of the holes on the nosepiece (12) until finger tight. It may be

necessary to lower the stage (5) by turning the coarse focus knob (3).

10. Now turn the nosepiece to the next opening and thread each of the remaining objective lenses into the remaining

holes.

You are now ready to use your microscope!

Microscope Operation

Using the Illuminator Mirror

Your microscope has a built-in plano-concave illumination mirror which allows you to illuminate the specimen from the

bottom by reflecting an external light source (indirect sunlight, room light, lamp, etc.) to the stage. The mirror has a flat

side (you can easily see your reflection on the flat surface) and a concave side. The concave side will concentrate more

light onto the specimen than the flat side. To illuminate a specimen:

1. If it is daylight, tilt the mirror (6) and reflect indirect sunlight through the bottom of the stage (5). Warning: Never

use the mirror to focus direct sunlight through the microscope as this can be very harmful and may damage your

eyes.

2. If viewing at night or indoors, away from sunlight, you can use a nearby desk lamp, table lamp, or other light source

to reflect light onto a specimen.

To control the amount of light reflecting onto the specimen:

1. Use the concave side of the mirror to focus more light on the slide. The concave side will concentrate more light onto

your specimen but will focus a smaller beam of light, making it more sensitive to adjust.

2If you are unable to adjust the mirror enough to properly illuminate the specimen, you can also tilt the arm (10)

backward to change the position of the mirror.

3. The amount of light can also be controlled by rotating the five-aperture size disc diaphragm (see figure 2a) underneath

the specimen stage (5).

Adjusting the Arm Angle

The normal viewing position is at 0°. However, you can view at any angle from 0° to 60°. To change the viewing angle:

1. With one hand hold the base (7).

2. Then, with your other hand, tilt the arm (10) by pulling it backward or forward to the desired viewing angle.

Disc Diaphragmc

Diaphragm

Condenser

Figure 2a

Viewing a Specimen

Carefully place a specimen slide under the spring loaded stage clips (8) and center the specimen directly over the hole in the

center of the stage (5).

You are now ready to focus and view the specimen, but first you must take some precautions so as not to damage the

specimen slide or objective lens. Your microscope is equipped with a safety rack stop (9) which allows you to regulate the

range of travel on the focuser. This assures that the objective lens will not accidentally come into contact with the

specimen slide, breaking the slide or scratching the objective lens. To adjust the travel on the focus mechanism:

1. Raise the objective lens away from the specimen stage (5) by rotating the coarse focus knob (3) backwards

(clockwise).

2. Unthread the safety rack stop screw (9) about 2/3 of the way.

3. Turn the nosepiece (12) until the 40x lens is over the specimen.

4. Lower the objective lens over the slide until the tip of the lens is slightly above the specimen slide. (Be careful not to

touch the objective lens to the slide).

5. Thread the safety screw (9) upward until it stops against the focus mechanism.

6. Rotate the knurled locking nut upward to lock the safety screw in place.

Focusing

Now that the specimen slide is placed directly under the objective lens, use the coarse focus knob (3) to focus on the

specimen.

1. Always start with the lowest power (4x objective lens) and switch to higher power by rotating the nosepiece (12) to

the 10x and then 40x objective lenses. Be cautious not to let the objective lens touch the specimen slide when

changing to higher power.

2. Use the fine focus knob (11) to change the depth of field and obtain precise focus on the specimen you are observing.

3. If you run out of downward travel before reaching sharp focus, you can unscrew the safety screw (9) to allow for

more downward travel. Once again, be careful not to let the objective lens touch the specimen slide.

Advanced Microscope – Model # 44104

8. Stage Holder Clamp

9. Safety Rack Stop

11. Fine Focus Knob

10. Arm

1. Eyepiece

2. Eyepiece Tube

3. Coarse Focus Knob

12. Nosepiece

4. Ob

ective Lens

5. Specimen Stage

6. Illumination Mirror

7. Base

Figure 3

Standard Accessories with your Microscope

•10x Huygens Eyepiece •Electric Illuminator

•12.5 Huygens Eyepiece •Blue Filter

•4x Objective Lens •5 Prepared Slides

•10x Objective Lens •Dust Cover

•40x Objective Lens

Specifications

Model # 44104 Specifications

Stage Mechanical Stage 115mm x 125mm

Arm Angle choice from 0° to 60°

Focuser Coarse and Fine focus knobs; Rack & Pinion Safety Stop

Objectives Achromatic -- 4x, 10x, 40x

Illuminator 50mm Plano-Concave Mirror

Eyepieces 10mm -- 12mm Field of View; 12.5mm -- 10mm Field of View

Nosepiece Triple with click stop

Condenser Abbe N.A. 1.25

Diaphragm Iris

Magnification Table

Use the following table to determine the magnification of the different eyepiece/objective lens combination of your

microscope.

Objective Lens 4x 10x 40x

10x Eyepiece 40x 100x 400x

12.5x Eyepiece 50x 125x 500x

Setting Up Your Microscope

1. Take the Styrofoam container out of the cardboard carton.

2. Remove the tape from the Styrofoam container holding the two sections together.

3. Carefully remove the microscope and other parts from the container and set them on a table, desk, or other flat

surface.

4. Remove the plastic bag covering the microscope.

5. Remove the protective paper from the stage (5).

6. Remove the plastic cap from the eyepiece tube (2).

7. Insert the 10x eyepiece in the eyepiece tube (2).

8. Remove the three objective lenses (4) from their containers. Unscrew the container lids from the threaded portion

of the objective lenses.

9. Thread the end of the 4mm objective lens into one of the holes on the nosepiece (12) until finger tight. It may be

necessary to lower the stage (5) by turning the coarse focus knob (3).

10. Now turn the nosepiece to the next opening and thread each of the remaining objective lenses into the remaining

holes. You are now ready to use your microscope!

Microscope Operation

Using the Illuminator Mirror

Your microscope has a built-in plano-concave illumination mirror which allows you to illuminate the specimen from the

bottom by reflecting an external light source (indirect sunlight, room light, lamp, etc.) to the stage. The mirror has a flat

side (you can easily see your reflection on the flat surface) and a concave side. The concave side will concentrate more

light onto the specimen than the flat side. To illuminate a specimen:

1. If it is daylight, tilt the mirror (6) and reflect indirect sunlight through the bottom of the stage (5). Warning: Never

use the mirror to focus direct sunlight through the microscope as this can be very harmful and may damage your

eyes.

2. If viewing at night or indoors, away from sunlight, you can use a nearby desk lamp, table lamp, or other light source

to reflect light onto a specimen.

To control the amount of light reflecting onto the specimen:

1. Use the concave side of the mirror to focus more light on the slide. The concave side will concentrate more light onto

your specimen but will focus a smaller beam of light, making it more sensitive to adjust.

2If you are unable to adjust the mirror enough to properly illuminate the specimen, you can also tilt the arm (10)

backward to change the position of the mirror – see the section under “Adjusting the Arm Angle”.

3. You can also control light adjustment with the condenser and diaphragm -- see the section under “Adjusting the

Lighting”.

Adjusting the Arm Angle

The normal viewing position is at 0°. However, you can view at any angle from 0° to 60°. To change the viewing angle:

1. With one hand hold the base (7).

2. Then, with your other hand, tilt the arm (10) by pulling it backward or forward to the desired viewing angle.

Using the Electric Illuminator

Figure 3a Figure 3b Figure 3c Figure 3d

For more direct and intensive light, you should use the supplied electric illuminator. To install the electric illuminator:

1. Remove the mirror illuminator by pulling it outward from its sleeve. It will come out very easily with little pressure –

see Figure 3a.

2. You will install the electric illuminator in the sleeve you removed the mirror illuminator from – see Figure 3a.

3. Be sure the glass part of the electric illuminator (see Figure 3b) is facing up towards the stage (5).

4. Place the illuminator pin and clips over the sleeve and push until it is in all the way – see Figure 3c.

5. Plug in the cord of the electric illuminator to the proper AC power source – see Figure 3d.

Changing Eyepieces

Your microscope is supplied with both 10x and 12.5x eyepieces. They are easily interchanged:

1. Remove either eyepiece (1) from the eyepiece tube (2) by pulling it upward.

2. Install the desired eyepiece (1) into the eyepiece tube (2) by pushing downward.

3. The eyepieces are held in place by a friction fit.

Viewing a Specimen

Your instrument is provided with a mechanical stage with a stage holder clamp and directional knobs – see figure 3e.

1. Use the clamp lever to open the clamping arm of the stage holder clamp.

2. Place a specimen slide (3” size) inside the holder and gently close the clamping arm against the slide.

3. Use the stage movement knobs (see Figure 3e) to position the specimen over the opening in the stage (5).

You are now ready to focus and view the specimen, but first you must take some precautions so as not to damage the

specimen slide or objective lens. Your microscope is equipped with a safety rack stop (9) which allows you to regulate the

range of travel on the focuser. This assures that the objective lens will not accidentally come into contact with the

specimen slide, breaking the slide or scratching the objective lens. To adjust the travel on the focus mechanism:

4. Raise the objective lens away from the specimen stage (5) by rotating the coarse focus knob (3) backwards

(clockwise).

5. Unthread the safety rack stop screw (9) about 2/3 of the way.

6. Turn the nosepiece (12) until the 40x lens is over the specimen.

7. Lower the objective lens over the slide until the tip of the lens is slightly above the specimen slide. (Be careful not to

touch the objective lens to the slide).

8. Thread the safety screw (9) upward until it stops against the focus mechanism.

9. Rotate the knurled locking nut upward to lock the safety screw in place.

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