Concave Lens Manufacturer,Supplier and Exporter in India
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Product Code : SCL-W-12389
The Concave Lens -10D, 50mm is a physics laboratory lens used for demonstrating ray divergence, focal length, image formation, and negative lens behaviour in ray optics. It is suitable for schools, colleges, STEM laboratories, physics teachers, and students studying light, lenses, refraction, and geometrical optics.
Product Description
The School Equipments Concave Lens is listed as Double Concave Spherical Lenses -10D, product code EL-W-11126. The lens has optically worked faces and ground edges, with a listed diameter of 50mm, power of -10D, focal length of 100mm, and approximate refractive index of 1.52.
This double concave lens helps students observe how a concave lens spreads parallel rays away from the principal axis. It is useful for classroom experiments on virtual image formation, diverging lenses, focal length, ray tracing, and comparison with convex lenses in basic optics practicals.
Key Features
- -10D lens power: Suitable for demonstrating the diverging action of a concave lens.
- 50mm diameter: Provides a practical aperture size for school ray optics experiments.
- Double concave spherical lens: Designed for negative lens demonstrations and ray diagram verification.
- Optically worked faces: Supports clearer classroom observation of light-ray behaviour.
- Ground edges: Improves safe handling during supervised school laboratory use.
- Approx. 1.52 refractive index: Provides a stated optical property for technical product reference.
- Useful optics accessory: Can be used with ray boxes, optical benches, screens, and lens holders.
Technical Specifications
|
Specification |
Detail |
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Product Name |
Concave Lens |
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Listed Product Name |
Double Concave Spherical Lenses -10D |
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Brand |
School Equipments |
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Product Code |
EL-W-11126 |
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Product Category |
Physics Laboratory Apparatus / Waves / Light and Optics Lenses |
|
Primary Keyword |
Concave Lens -10D 50mm |
|
Lens Type |
Double concave spherical lens |
|
Diameter |
50mm |
|
Power |
-10D |
|
Focal Length |
100mm |
|
Refractive Index |
1.52 approx. |
|
Finish |
Optically worked faces with ground edges |
What's Included in the Kit
- 1 Concave Lens -10D, 50mm
- Double concave spherical lens
- Storage case or pouch
- Instruction sheet: not included unless specified in the quotation
- Lens holder: not included unless specified in the quotation
Applications / Uses
- Demonstrating divergence of parallel light rays in school physics laboratories.
- Studying image formation by a concave lens.
- Teaching negative focal length, lens power, and ray tracing in geometrical optics.
- Comparing concave and convex lens behaviour using the Lens Bundle.
- Using with the Light Box and Optical Set for reflection and refraction demonstrations.
- Aligning lens, object, and screen on the Optical Bench for classroom lens experiments.
- Adding practical lens work to broader physics waves and optics apparatus programs.
How to Use the Concave Lens
- Place the concave lens in a suitable lens holder or optics setup.
- Align the lens with a ray source, light box, or optical bench arrangement.
- Direct parallel or narrow light rays toward the concave lens.
- Observe how the rays spread after passing through the lens.
- Trace the incident and emergent rays on paper or an optics board if required.
- Extend the diverging rays backward to locate the virtual focus.
- Compare the observation with the standard concave lens ray diagram.
Safety note: Handle the lens by its edges and avoid looking directly into bright light sources or lasers. Use glass and optical components only under teacher supervision.
Care & Maintenance
- Clean the lens with a soft, lint-free optical cloth after use.
- Store the lens in a dry case to protect it from scratches and dust.
- Do not drop the lens or press heavy objects against its optical surfaces.
- Keep fingerprints, chemicals, and abrasive cleaning materials away from the lens faces.
Why Choose School Equipments
School Equipments manufactures and exports scientific laboratory instruments, lab experiment setups, science kits, mathematics kits, didactic models, and STEM models for educational institutions. The brand supplies practical teaching apparatus for schools, colleges, laboratories, and procurement projects.
The Concave Lens -10D, 50mm is a useful optics component for practical light experiments and ray diagram verification. Buyers can source it with related lenses, light boxes, optical benches, ray optics kits, STEM kits, and general school physics laboratory equipment from School Equipments.
Frequently Asked Questions
What is a Concave Lens used for in physics?
A Concave Lens is used to demonstrate divergence of light rays, virtual image formation, negative lens power, and ray tracing in school optics experiments.
What is the power of this concave lens?
The listed School Equipments model has a power of -10D. This negative power identifies it as a diverging lens.
What is the diameter of this lens?
The listed diameter of this concave lens is 50mm. This size is suitable for standard school physics optics demonstrations.
What is the focal length of the lens?
The listed focal length is 100mm. For a concave lens, teachers may explain the negative focal length convention during ray optics lessons.
Can this lens be used with an optical bench?
Yes, it can be used with a suitable lens holder and optical bench setup for ray tracing, focal point observation, and lens comparison experiments.
What should buyers confirm before ordering?
Buyers should confirm material, packing quantity, lens holder compatibility, storage case, and any tender-specific specification before final purchase approval.
For related classroom optics products, explore the physics waves and optics apparatus category from School Equipments.
Suggested Image ALT Text: Concave Lens -10D 50mm double concave spherical lens for school physics ray optics experiments.
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