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Factory Custom Optical Spherical Lens Ball Lenses with K9 N-Bk7 in Stock
| US$2.00 - 8.90 | 5 Pieces (MOQ) |
Port:
Shanghai, China
Production Capacity:
50000pieces/Month
Payment Terms:
L/C, T/T, D/P, Western Union, Paypal, Money Gram, Online
Hanzhong Borisun Optics Co., Ltd.
Shaanxi, China
Last Login Date:
Jul 09, 2025
Business Type:
Manufacturer/Factory
Main Products:
Spherical Lens, Cylindrical Lens, Optical Window, Mirror, Prism, Filter, Metal Base Mirror, Other High-Precision Optical Elements, Optical Coatings
Product Description
Company Info
Basic Info.
Model NO.
3029
After-sales Service
After Sales Worry Free
Warranty
1 Years
Usage
Lighting, Medical, Optical, Photography
Type
Ball
Transmittance
>95%
Shape
Material
Lenses Color
Certification
Customized
Coating
HC
Radius of Curvature
± 1mm - ± 50000mm ± 1%
Outer Circle
3mm-500mm ± 0.1mm
Center Thickness Tolerance
: ± 0.05mm
Center Deviation
:3′
Surface Accuracy
λ/ 8
Surface Quality
60/40
Effective Caliber
≥90%
Transport Package
Standard Export Carton Protection & Close Package
Specification
3-500mm
Origin
Shaanxi
HS Code
9001909090
Product Description
K9 ball lens is an optical glass bead made of K9 material, which is used to improve the signal coupling between optical fiber, transmitter and detector and improve the signal quality. It can also be used in endoscope, bar code scanning, pre-processing materials of aspheric lens, sensors, etc.
Borisun optics provides uncoated ball lenses based on K9 and fused silica optical glass, with a variety of sizes and focal lengths for you to choose.
Technical Parameters
| Items | Parameters |
| Material | optical glass, H-K9L (N-BK7), Fused quartz, GJS1, GJS2 |
| Outer circle: | 3mm-100mm ± 0.1mm |
| Radius of curvature: | ± 1mm - ± 50000mm ± 1% |
| Center thickness tolerance: | ± 0.05mm (we can process to ± 0.01mm with high precision) |
| Center deviation: | 3′(we can process to 30 ″with high precision) |
| Surface accuracy: | λ/ 8 (high precision, we can process to 1 / 10λ) |
| Surface quality: | 60/40 (we can process to 10-5 with high precision) |
| Effective caliber: | ≥90% |
| Coating: | Custom according to your requirements |
Spectral Curve
Stock Sizes
| Diameter (mm) | Focal Length (mm) | Back Focal Length (mm) | Coating (Customizable) |
| 1.00 | 0.73 | 0.23 | according to your requirements |
| 2.00 | 1.47 | 0.47 | |
| 3.00 | 2.20 | 0.70 | |
| 4.00 | 2.93 | 0.93 | |
| 5.00 | 3.67 | 1.17 | |
| 6.00 | 4.40 | 1.40 | |
| 7.00 | 5.14 | 1.64 | |
| 8.00 | 5.87 | 1.87 | |
| 9.00 | 6.60 | 2.10 | |
| 10.00 | 7.34 | 2.34 |
Note
The above parameters are for reference only. For detailed Optical Ball Lenses parameters, please consult our online customer service personnel or call our company.
In addition, We can customize the Optical Ball Lenses according to customer requirements or drawings.Spectral Curve
Spectral Curve
Spectral Curve
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