Shanghai Longway Special Glass Co., Ltd.
| Payment Terms | T/T,Western Union |
| Supply Ability | 12000 Pieces per Month |
| Packaging Details | electrolytic capacitor paper,foam,carton |
| Structure | Plano-convex |
| Surface | Polished |
| Transmission | over 90% |
| Coating | available |
| Application | Optics and lighting |
| OEM | available |
| Brand Name | LONGWAY |
| Model Number | LW16092341 |
| Certification | ISO9001 |
| Place of Origin | Shanghai, China |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 12000 Pieces per Month |
| Packaging Details | electrolytic capacitor paper,foam,carton | Structure | Plano-convex |
| Surface | Polished | Transmission | over 90% |
| Coating | available | Application | Optics and lighting |
| OEM | available | Brand Name | LONGWAY |
| Model Number | LW16092341 | Certification | ISO9001 |
| Place of Origin | Shanghai, China | ||
| High Light | Large Magnifying Glass ，Professional Optical Plano Convex Lens ，optical plano lens | ||
Professional Optical Plano Convex Lens - High-Quality Large Magnifying Glass
1. Material & Construction
Optical-Grade Glass: Precision-crafted BK7 borosilicate glass (Schott/N-BK7 equivalent) with low dispersion properties.
Surface Quality: λ/4 surface accuracy and 60-40 scratch-dig specification for aberration-free imaging.
Coating: Optional broadband anti-reflective (BBAR) coating (>99.5% peak transmission, 400-700nm).
2. Critical Optical Properties
High Magnification: Focal lengths from 50mm to 1000mm with 2X-10X magnification capabilities.
Exceptional Clarity: >99% light transmission (coated) with near-zero wavefront distortion.
Chromatic Control: Abbe number 64.2 minimizes color fringing at edges.
Thermal Stability: CTE 7.1×10⁻⁶/°C prevents deformation in variable environments.
Surface Precision: < 1/4 wave RMS @ 632.8nm for distortion-free imaging.
3. Core Functions
Light Convergence: Positive focal length converges parallel light rays to a precise focal point.
Image Magnification: Enables high-resolution inspection of fine details (0.01mm resolution at 10X).
Beam Collimation: Converts point light sources into directional parallel beams.
Aberration Correction: Spherical design reduces edge distortion vs. biconvex alternatives.
4. Professional Applications
Laboratory Equipment: Condenser lenses in microscopes, collimators, and optical test benches.
Industrial Inspection: PCB verification, jewelry appraisal, and forensic analysis magnifiers.
Photographic Systems: Projector lens assemblies and large-format camera optics.
Scientific Instruments: Telescope corrector plates, laser focusing optics, and spectrometer components.
Medical Devices: Dermatology loupes and surgical microscope attachments.
| Item | Plano convex lens |
| Material | Optical glass, Qurartz glass, Pyrex, borosilicate glass, Float glass |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15mm |
| Processed | by grinding, polishing |
| Surface Quality | 80/50,60/40,40/20 |
| Material Quality | no scratches and air bubble |
| Transmission | above 90% |
| Chamfer | 0.1-0.5 mm x 45° |
| Surface Coating | Available |
Company Details
Business Type:
Manufacturer,Agent,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
1000000-5000000
Employee Number:
30~100
Ecer Certification：
Verified Supplier
Introduction Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for busines... Introduction Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for busines...
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