The handheld 3 inch magnifying glass is a portable optical viewing aid used for enlarging the apparent size of specimens, printed text and small surface details. It is intended for students, teachers and laboratory users who need a simple, non-powered tool for close observation during science activities and routine inspection.
Product Description
The STEMAids Handheld 3 Inch Magnification Lens combines a nominal 3-inch lens with a handheld viewing format. When the lens is positioned between the eye and a nearby object, it can produce an enlarged virtual image, helping users examine details that are difficult to see unaided.
The product is suitable for introductory optics lessons and general classroom observation. Its magnification power, focal length, lens composition, handle material and frame construction are not currently published. Buyers should confirm these details before procurement through the STEMAids sales and institutional enquiry team.
Key Features
- Nominal 3-inch lens: Provides a broad viewing area for examining text, specimens and small objects.
- Handheld format: Allows users to adjust the viewing distance and position without a fixed stand.
- Visible enlargement: Produces a magnified virtual image when the object is placed within the lens focal length.
- Non-powered operation: Requires no battery, cable or electrical supply.
- Portable observation aid: Can be carried between classrooms, laboratory benches and activity stations.
- Hands-on optics value: Supports practical study of convex-lens magnification and focal distance.
- Reusable classroom tool: Suitable for repeated supervised use when protected from scratches and impact.
Technical Specifications
| Specification | Detail |
|---|---|
| Product name | Handheld 3 Inch Magnification Lens |
| Brand | STEMAids |
| Product category | Educational optics accessory; handheld magnifying glass |
| Lens capacity | Single handheld lens |
| Nominal lens size | 3 inches |
What’s Included in the Kit
- One Handheld 3 Inch Magnification Lens
- Protective cover or storage pouch
- Cleaning cloth
- Instruction sheet
Applications / Uses
- Enlarging printed text, diagrams and measurement markings.
- Observing leaves, rocks, fibres, insects and prepared specimens.
- Examining surface textures and small manufactured components.
- Demonstrating image formation by a converging lens.
- Supporting nature-study, science-club and classroom activities.
- Assisting routine inspection where high-powered microscopy is unnecessary.
Users can pair the lens with other physics laboratory products for introductory light and optics activities.
How to Use the Handheld 3 Inch Magnification Lens
- Check that the lens surface is clean and free from cracks.
- Hold the magnifying glass by its handle without touching the lens faces.
- Position the lens between your eye and the object being examined.
- Move the lens slowly toward or away from the object.
- Stop when the enlarged image appears clear and comfortably focused.
- Use adequate ambient illumination without directing intense light into the eyes.
- Return the lens to protected storage after the observation.
Safety note: Never use the magnifying glass to look at the Sun, lasers or intense lamps. A converging lens can focus sunlight and create an eye, skin or fire hazard.
Care & Maintenance
- Remove loose dust with a soft optical brush before wiping the lens.
- Use lens tissue or a clean microfibre cloth; avoid abrasive cleaners.
- Store the magnifier in a dry pouch or compartment away from direct sunlight.
- Protect the lens, frame and handle from impact, heat and chemical vapours.
Why Choose STEMAids
STEMAids supplies educational science equipment, STEM kits and laboratory learning products for schools and institutions. Its catalogue is designed to support hands-on classroom instruction and practical scientific observation. The company accommodates individual, institutional, bulk and tender enquiries from its New Delhi business location. Product-specific optical and construction details should be confirmed in the approved quotation.
Frequently Asked Questions
What is a handheld 3 inch magnifying glass used for?
It is used to enlarge the apparent size of text, specimens and small surface details during observation.
What does the 3-inch measurement refer to?
The product name indicates a nominal 3-inch lens size. The exact measurement method and clear viewing diameter should be confirmed.
What is the magnification power of the lens?
The magnification rating is not published. Request the verified magnification power and focal length before ordering.
Is the lens made of glass or plastic?
The lens material is not currently specified. It should not be described as glass, acrylic or another optical polymer without confirmation.
Can students use it for science observations?
Yes. It can support supervised examination of leaves, fibres, rocks, printed details and other suitable classroom specimens.
Can a magnifying glass be used to view the Sun?
No. Looking at the Sun through a magnifying lens can cause permanent eye injury, and focused sunlight can ignite materials.
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