Concave-Convex Lens
Meniscus Has One Convex/One Concave Spherical Surface;Convex Radius<Concave Gives Positive Converging,Convex Radius>Concave Gives Negative Diverging.
Specification Snapshot
Substrate Material
Optical Glass
Effective Clear Aperture [Customizable]
Φ5~Φ50mm (Customizable)
Center Thickness [Designed According to Focal Length]
1.5‑8mm (Designed According to Focal Length)
Edge Thickness
≥0.3mm
Focal Length f [Customizable]
10‑200mm (Customizable)
Radius of Curvature R1/R2
Matched to Focal Length, Symmetric / Asymmetric
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Overview
Meniscus Has One Convex/One Concave Spherical Surface;Convex Radius<Concave Gives Positive Converging,Convex Radius>Concave Gives Negative Diverging.
Specifications
| Parameter | Value |
|---|---|
| Substrate Material | Optical Glass |
| Effective Clear Aperture [Customizable] | Φ5~Φ50mm (Customizable) |
| Center Thickness [Designed According to Focal Length] | 1.5‑8mm (Designed According to Focal Length) |
| Edge Thickness | ≥0.3mm |
| Focal Length f [Customizable] | 10‑200mm (Customizable) |
| Radius of Curvature R1/R2 | Matched to Focal Length, Symmetric / Asymmetric |
| Diameter Tolerance | +0.0 / -0.01mm |
| Center-Thickness Tolerance | ±0.02mm |
| Surface Quality (Scratch-Dig) | 60‑40 / 40‑20 |
| Surface-Figure Accuracy λ [632.8nm] | λ/4@632.8nm |
| Surface Finish | No Edge Chips, Bubbles or Stones |
| Optical Coating [Customizable on Request] | Customizable on Request |
| Optical Throughput Efficiency [After Coating; Average Transmittance] | Average Transmittance after Coating >98% |
| Chamfer [Protective Chamfer] | 0.2×45° Protective Chamfer |
| Operating Temperature | -40℃~+80℃ |
Applications
Lens-Group Correction:With Biconvex/Plano-Convex Elements in Camera,Industrial and Microscope Lenses to Correct Spherical/Chromatic Aberration;Lasers:Expansion,Shaping,Collimation/Focusing;Illumination:Adjust Divergence/Uniformity in Projectors/Machine Vision;Instruments:Spectrometers,Interferometers,Benches and Metrology for Focus/Aberration Compensation
Key Features
Corrects Spherical Aberration,Usually Combined with Other Lenses to Optimize System Aberrations,Rarely Used Alone for Imaging;Positive Meniscus:Thick Center,Thin Edges,Positive Focus,Converging;Negative:Thin Center,Thick Edges,Negative Focus,Diverging;Changes System Focus with Minimal Additional Spherical Aberration;Usually Convex Side Toward Input for Best Performance
Datasheet
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Supplier Information
Founded in 2010, Nanyang Yiying Optoelectronics Co., Ltd. is a high-tech enterprise integrating design, development, production and sales, specializing in precision optical lens cold processing and optoelectronic component development. Main products include optical lenses, prisms, filters, optical lens, micro projector engines, etc. Products are widely used in projection display, AR/VR, biometrics, machine vision and other high-precision optical systems. The company has complete cold processing and testing equipment, and has passed ISO9001 and ISO14001 certifications. It is committed to providing professional and reliable optoelectronic products and services.
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