Ken A Vision Professor ESH101 Manuel utilisateur

The Professor by Ken-A-Vision

Instruction Manual

ESH101

ESH111

Thank you for purchasing The Professor by Ken-A-Vision.

Welcome to the world of microscopy. Here are a few things to get you

started. First, be sure the following items are included with your unit:

The Professor Microscope

Box of slides - (5) blank and (5) prepared

(3) AA batteries

THE PARTS OF A MICROSCOPE

1. Eyepiece: One 10x lens that you use to look through.

2. Arm: Supports the tube and connects to the base.

3. Nosepiece: This is the part that holds the objective lenses and

rotates to change the magnification.

4. Objective Lenses: The Professor Microscope consists of 3

objective lenses; 4x, 10x, and 40x. When combined with the 10x

eyepiece lens we get total magnifications of 40x (4 x times 10x),

100x, and 400x. The shortest lens is the lowest magnification,

and the longest lens has the greatest magnification.

5. Diaphragm: This is a rotating disk under the stage that has

different sized holes to vary the amount of light you want

projected upward into the slide.

6. Stage: The flat platform where you place your slides. The metal

clips hold your slide in place.

7. Illuminator: The light source is battery operated with 3 AA

batteries.

8. Focus Knob: Use this knob located on each side of The Professor

Microscope to focus the image of your specimen or slide.

9. Base: The bottom of the microscope that is used for support. The

Professor Microscope has a double switch on the front of the

microscope. Depressing the right side switch controls the bottom

illuminator (sub-stage light), providing light through the

condenser for a standard microscope slide. Depressing the left

side switch turns on the above stage light for macro and opaque

objects. The center position of the switch is OFF.

Viewing specimens with The Professor Microscope is both fun and easy.

Follow the instructions below to learn more details.

Installing / Replacing Batteries

1. The batteries are located in the bottom of the base.

2. Turn The Professor Microscope upside down. Using a coin, insert

it into the slot located on one side of the bottom of The

Professor Microscope. Flip open the bottom.

3. Remove any used batteries.

4. Insert (3) new AA batteries in the +/- direction as indicated on The

Professor microscope.

5. Insert the base plate into the notches and push close.

How To Use Your Microscope

1. Remove The Professor Microscope from its storage location by

grabbing the arm of The Professor Microscope with one hand

and place the other hand below the base.

2. Put a slide or specimen under the clips on the stage.

3. To view through the eyepiece lens, close one eye and look

through the eyepiece with the other. Now focus your microscope.

4. When your slide is in focus at the 4x objective lens, the other two

lenses will only need a small turn to bring into clear focus.

5. Adjust the amount of light by using the disc diaphragm. Turn until

you have the amount of light you want on your specimen.

6. Don't forget to turn on your microscope.

7. When using a glass slide put a plastic slide underneath the glass

slide.

Focusing

The proper way to focus a microscope is to turn the nosepiece to the

lowest power objective lens (4x). Next turn the focus knob to raise the

stage up until it stops. Then look through the eyepiece lens and focus

downward until the image is clear.

Changing Magnification

Choose the magnification by rotating the nosepiece, see drawing for

location, on the microscope until you hear a click. The next objective lens

should be in place. You may need to focus to adjust to the different

magnification.

5615 Raytown Road • Kansas City, MO 64133 U.S.A.

Tel.: 816-353-4787 • Fax: 816-358-5072

email: info@ken-a-vision.com • www.ken-a-vision.com

INS-SCESH

Taking Care of your Microscope

1. The Professor Microscope is a precision instrument, treat it with

care. When working with The Professor Microscope be sure it is

directly in front of you and any notes you take are set beside The

Professor Microscope. This method of viewing will limit the

chance of accidentally knocking the microscope off the table.

2. When the objective lenses or eyepiece are dirty, the image will

not be very clear and sharp. To clean, use lens paper and

distilled water and rub the lens and/or eyepiece softly. Never rub

the lens when it is dry. (This can cause static charge that will

attract dirt.)

Technical Specifications for Model No. ESH101 The Professor by

Ken-A-Vision Microscope

For the technical specifications on The Professor by Ken-A-Vision,

visit the Ken-A-Vision Web site, www.ken-a-vision.com /ESH101.asp

Accessories

If you are interested in purchasing accessories or replacement parts

for The Professor by Ken-A-Vision, visit the Ken-A-Vision Web site,

http://store.kenavision.com/catalog/ or contact your local Ken-A-Vision

Dealer.

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