BK7 Double Convex Rectangular Cylindrical Lens 0.7-400mm Diameter for High Power Laser Focus Applications
High-power laser focus double convex rectangular cylindrical lens made from premium BK7 optical glass. These precision optical components feature excellent light transmission up to 95% and superior scratch resistance for extended service life.
- BK7 optical glass material with 95% light transmittance
- Double convex rectangular cylindrical design for laser focusing
- Diameter range: 0.7mm to 400mm with ±0.1mm tolerance
- Enhanced scratch resistance and easy maintenance
- Chemical-resistant surface prevents contamination
- Available in various surface qualities and specifications
| Parameter | Specifications |
|---|---|
| Diameter Range | 0.7mm - 400mm |
| Curve Radius Range | R1.5 - R∞ |
| Diameter Tolerance | ±0.1mm, ±0.01mm, ±0.005mm |
| Surface Quality | λ, 1/2λ, 1/4λ, 1/10λ |
| Thickness Tolerance | ±0.1mm, ±0.05mm, ±0.01mm |
| Centration | ±2', ±1' |
| Aperture N | 5, 1 |
| Irregularity ΔN | 2, 1, 0.5, 0.2 |
| Surface Quality Standards | 60/40, 40/20, 20/10, 10/5 |
Widely used in machine vision, artificial intelligence, biomedical equipment, smart city systems, high-end monitoring, testing instruments, laser etching, special lighting, and scientific research applications including cameras, microscopes, telescopes, and collimators.
Shanghai Advance Optical-Electronics Technology Co., Ltd. is a technology-based production enterprise established in 2009, located in Qingpu Industrial Park, Shanghai. The company specializes in optical mechanical and electrical design, precision optical element processing, camera lens design, and comprehensive optical solutions.
- Complete design, production, and sales capabilities
- Thousands of optical molds and samples for fast prototyping
- Early involvement in customer R&D with technical consultation
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