Concave Optics Experiment Lens

Product Code : SCL-LAO-12091

The Concave Optics Experiment Lens is a high-transmittance optical component used for demonstrating light beam divergence and calculating focal boundaries in geometric optics. Engineered for physics educators and undergraduate students, this premium spherical element provides an uncompromised physical baseline to analyze virtual image formation on standardized linear tracking rails.

Product Description

This spherical optical element provides a highly reliable mechanical tool for fundamental and advanced light refraction studies. Ground from high-quality crown glass, the lens maintains a completely uniform refractive index across its volume to eliminate structural beam distortion. The precision-polished dual concave surfaces scatter incoming parallel light paths symmetrically, creating clean virtual focus lines that are easy to map with standard laser light sources.

For academic laboratories looking to refresh their primary inventory of physics lab equipment, this glass lens provides exceptional pedagogical value. It allows student cohorts to execute highly reproducible geometric ray tracing laboratories without the mechanical warping or cloudiness common with cheap plastic alternatives. The durable silicate structure easily tolerates regular classroom handling, making it a permanent baseline asset for wave mechanics workstations.

Key Features

• Premium Crown Glass Build: Ground from high-purity crown silicate glass to ensure maximum beam transmission and minimal internal flaws.
• True Bi-Concave Design: Features symmetric dual inward curvatures designed specifically to maximize ray divergence tracking precision.
• Standardized 50mm Aperture: Fits seamlessly into universal lens rings, holders, and standard optical bench accessories.
• Ground Edges for Safety: Designed with fine perimeter ground borders to prevent structural chipping and ensure safe student handling.
• Anti-Scratch Polish Finish: Hard glass structure provides excellent resistance against fine abrasions from plastic storage dividers or alignment calipers.

Technical Specifications

What's Included in the Kit

• 1 x Concave Optics Experiment Lens (50mm diameter, -100mm focal length)
• 1 x Protective lint-free storage container
• 1 x Microfiber optical cleaning cloth
• 1 x Technical data card detailing dispersion coefficients

Applications / Uses

• Tracing divergent beam geometries to verify the fundamental lens maker's equation under multiple boundary configurations.
• Measuring virtual focal lengths by pairing the lens with a strong convex element to form a real focal point on standard screens.
• Calculating virtual object distances and image distances to satisfy the standard thin lens formula:
• Integrating smoothly inside high-resolution optics experiment kits to construct complex Galilean telescope models.
• Demonstrating the optical correction principles for myopia (nearsightedness) within introductory biomedical science courses.

How to Use the Concave Optics Experiment Lens

1. Clean the lens surfaces thoroughly with the provided microfiber cloth before beginning your laboratory configuration.
2. Insert the 50mm concave element securely into a universal lens holder ring attached to your tracking rail slider.
3. Position an active multi-beam laser ray box up-beam from the concave lens.
4. Turn on the laser light source to observe the parallel light rays diverge outward as they pass through the glass element.
5. Trace the paths back geometrically onto a horizontal tracking mat using a ruler to pinpoint the virtual focal position.

Handling Note: Never touch the polished optical face with bare skin; hold the element strictly by its ground outer rims to avoid leaving skin oil deposits that cause diffuse beam scattering.

Care & Maintenance

• Cleaning: Dust the glass carefully using standard lens blowers or clean compressed air before wiping with a lens cleaner solution.
• Storage: Always store the lens inside its padded protective container to shield the polished faces from metal tools or accidental abrasions.
• Handling: Keep the element clear of hard stoneware workbenches; place it down exclusively on soft protective felt sheets or mats.

Why Choose Science Lab Supplies

Science Lab Supplies is an established manufacturer and premier global exporter of reliable laboratory instruments and classroom experiment setups. Backed by decades of continuous manufacturing experience, we use high-grade raw materials and precise geometric layouts to construct long-lasting educational systems. Our production lines maintain rigid ISO 9001:2015 quality frameworks to ensure consistent performance across every batch shipped. With our advanced international logistical matrices, we ensure prompt, secure deliveries to universities and school districts worldwide.

Frequently Asked Questions

What does a negative focal length mean for this concave lens?

A negative focal length indicates that parallel light rays passing through the lens diverge away from a common virtual point located on the incoming light side of the optic.

Can I project a real image directly onto a screen using only this lens?

No, a standalone concave lens produces only virtual, upright, and diminished images; it must be paired with a strong convex lens or a converging mirror setup to project a real image onto a physical surface.

Is this lens made of glass or optical polymer plastic?

The optic is ground from premium crown silicate glass, which provides superior refractive stability, better scratch resistance, and higher clarity than cheap plastic alternatives.

What size lens holder ring is required for this optic?

This lens features a precise 50 mm outer diameter, making it fully compatible with standard universal lens ring clips and standard bench holders.

Does this lens work with green and blue laboratory lasers?

Yes, the high-transmittance optical crown glass easily handles all visible light wavelengths cleanly without distorting or absorbing the color frequencies.

Review our complete selection of physics lab equipment to discover matching components for your university workstation, or reach out to our export team today for global institutional pricing.