National Geographic 300X-1200X Microscope

Introduction

This document provides operating instructions for the National Geographic 300X-1200X Microscope, manufactured by Bresser. It covers setup, usage, safety precautions, cleaning, disposal, and warranty information.

Safety Warnings ⚠️

• Choking Hazard: Contains small parts that could be swallowed by children.
• Risk of Electric Shock: Device contains electronic components. Use only as described in the manual to avoid electric shock.
• Risk of Fire/Explosion: Do not expose to high temperatures. Use only recommended batteries. Do not short-circuit or throw batteries into fire.
• Risk of Chemical Burn: Handle batteries with care. Damaged or leaking batteries can cause skin irritation.
• Do not disassemble the device. Contact your dealer for defects.
• Risk of Injury: Sharp tools may be used with this device. Store the microscope and accessories out of reach of children.

Parts Overview ?️

• 1. Eyepiece
• 2. Focus knob
• 3. Objective turret with objectives
• 4. Stage (with clips)
• 5. Mirror
• 6. Electric light source/battery compartment
• 7. Base
• 8. Rubber base
• 9. Microscope arm
• 10. Prepared slides
• 11. Cover plates
• 12. Collection container
• 13. CR2032 battery
• 14. Microscope instruments

What is a Microscope?

A microscope uses two lens systems: the eyepiece and the objective. The objective lens magnifies the specimen, and the eyepiece further magnifies this intermediate image, allowing you to see a magnified view.

Assembly and Location

Choose a well-lit and stable location for your microscope. A stable surface is crucial for clear observations.

Normal Observation

Place the microscope in a bright area. Adjust the microscope arm for a comfortable viewing position. Set the focus knob to its upper limit and the objective turret to the lowest magnification. Look through the eyepiece and adjust the mirror (or use the built-in light) to achieve a uniformly bright circle of light. Place a prepared slide on the stage under the objective. Adjust the focus knob slowly to sharpen the image. You can then select higher magnifications by rotating the objective turret. Remember to readjust the focus for each new magnification. Higher magnifications require more light for optimal illumination.

Tip: Avoid directing the mirror towards direct sunlight, as this can cause glare and obscure the image.

Observation (Electric Light) ?

Before first use, remove the protective foil from the battery compartment. Locate the light source on the base, flip it upwards, and press the button to turn it on. The light illuminates the specimen from below.

Tip: Higher magnification requires more light. Always start experiments with lower magnifications.

Battery Change ?

1. Remove the safety screw from the cover.
2. Remove the battery cover.
3. Slide out the coin battery holder.
4. Insert the CR2032 battery with the positive (+) terminal facing down and the negative (-) terminal facing up.
5. Replace the battery cover.
6. Re-insert the safety screw.

Cleaning Instructions ?

• Disconnect the device from the power source (unplug or remove batteries) before cleaning.
• Clean the exterior only with a dry cloth. Do not use cleaning fluids.
• Protect the device from dust and moisture.
• Remove batteries if the device will not be used for an extended period.

Disposal ♻️

• Dispose of packaging materials sorted by type.
• Do not dispose of electronic devices with household waste. Follow local regulations for proper disposal and recycling.
• Dispose of batteries at designated collection points, not in regular trash.

Declarations and Warranty ?

The device complies with relevant EU directives and standards. Full text of the EC Declaration of Conformity is available at: www.bresser.de/download/9118002/CE/9118002_CE.pdf

The UKCA Declaration of Conformity is available at: www.bresser.de/download/9118002/UKCA/9118002_UKCA.pdf

The regular warranty period is 2 years from the date of purchase. For extended warranty, please register on the Bresser website. Full warranty terms are available at: www.bresser.de/warranty_terms.