Convex Mirror
Product Code : SCL-PLE-11768
The StemAids Convex Mirror is a high-precision optical component engineered for the empirical study of light divergence and the formation of virtual, diminished images. Optimized for Secondary and University-level physics, this spherical mirror (also known as a fish-eye mirror) is curved outward toward the light source. Manufactured to ISO 9001:2015 standards, it facilitates the quantification of focal lengths and the study of wide-angle fields of view within institutional laboratory environments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Construction |
High-transmittance Float Glass with vacuum-deposited Silver/Aluminum |
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Geometry |
Spherical Convex with precision-ground edges |
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Standard Diameters |
50mm (Standard) |
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Focal Lengths (f) |
Typically −10cm, −15cm, or −20cm (Negative focal length) |
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Reflective Coating |
Back-silvered with protective lead-free epoxy paint to prevent oxidation |
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Surface Quality |
High-luster finish for a wide, undistorted field of view |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9001.90.00 (Lenses, prisms, mirrors of any material) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Light Divergence Interface: Facilitates student visualization of how parallel incident rays diverge upon reflection, appearing to originate from a virtual principal focus (F) behind the mirror.
- Image Property Quantification: Enables the physical study of image characteristics (always Virtual, Erect, and Diminished), allowing learners to apply the mirror formula f1=v1+u1 using the Cartesian sign convention.
- Field of View Analysis: Supports the analysis of "blind-spot" or "security mirror" applications, demonstrating why convex mirrors provide a wider field of view compared to plane or concave mirrors.
- Parallax Reduction Evaluation: Allows students to evaluate the "no-parallax" method when used with an auxiliary plane mirror to determine the focal length of a convex mirror.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring individual non-abrasive protective sleeves and multi-layer shock-absorbing foam to prevent glass breakage or silvering scratches.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a datasheet specifying the Radius of Curvature (R=2f).
- Durability: Tropicalized design featuring moisture-resistant back-coating, ensuring the reflective silvering does not peel or tarnish in high-humidity laboratory climates.
Direct OEM Sourcing Advantages
Procuring the StemAids Convex Mirror directly ensures vertical manufacturing control:
- In-House Sphericity Testing: Every mirror is batch-tested for surface accuracy to ensure the virtual focal point is sharp and the wide-angle image remains undistorted.
- Precision Edge Grinding: Every unit is finished with smooth edges for safe handling by students, minimizing the risk of accidental injury during manual alignment.
- Direct Factory Spares Availability: Guaranteed availability of matching mirror holders, optical benches, and screen mounts to maximize long-term laboratory ROI.
- Manufacturing Control: Direct oversight of the vacuum-silvering process ensures high reflectivity (>90%), providing bright, high-contrast images for student data collection.