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Bk7, 12.7mm, 20mm, 25mm, 25.4mm Optical Glass Flat Convex Lens
Optical lenses are essential optical components designed to focus or diverge light. These components can consist of a single element or multiple elements and are widely used in various applications, ranging from microscopy to laser processing. They play a crucial role in industries such as life sciences, imaging, industrial, and defense. As light passes through a lens, its path is influenced by the lens's shape or material. Plano-Convex (PCX) and Double-Convex (DCX) lenses converge light to a focal point, while Plano-Concave (PCV) and Double-Concave (DCV) lenses cause the light to spread out. Achromatic lenses are ideal for color correction, and aspheric lenses help reduce spherical aberration. Infrared (IR) transmission is best achieved with Germanium (Ge), Silicon (Si), or Zinc Selenide (ZnSe) lenses, while Fused Silica is suitable for ultraviolet (UV) applications.
Our optical lenses are extensively used in cameras, lasers, medical equipment, laser printers, laser cutting machines, aerospace optical devices, optical communication systems, projectors, film projectors, telescopes, microscopes, magnifying glasses, and more.
**Specifications:**
| **Parameter** | **Value** |
|-----------------------|------------------------------------|
| Material | Optical Glass |
| Design Wavelength | 632.8 nm |
| Surface Figure | λ/2 |
| Diameter Tolerance | +0.1, -0.1 mm |
| Thickness Tolerance | ±0.2 mm |
| Paraxial Focal Length | ±2% |
| Centration | <3 arc minutes |
| Clear Aperture | >85% |
| Surface Quality | 60-40 scratch and dig |
| Protective Bevel | 0.25 mm x 45° |
**Other Products:**
[Image: BK7, 12.7mm, 20mm, 25mm, 25.4mm Optical Glass Flat Convex Lens]
**Factory Information:**
Yutai Optics specializes in the design and mass production of high-performance optical components, including lenses, prisms, windows, filters, mirrors, and more. Our products are used in optical instruments, laser systems, military, telecommunications, medical, and environmental monitoring industries. We offer a wide range of materials, from optical glass to IR and UV glass.
As a fast-growing optics supplier, Yutai Optics provides excellent service and quality products that have gained the trust of many European and American customers. We strive for long-term cooperation and have established ourselves as a leader in optical components due to our advanced technology and strict quality control.
**Our Advantages:**
- **Sales Team:** Professional and dedicated, we track every order from inquiry to delivery to ensure customer satisfaction.
- **Production Team:** Experienced engineers and advanced machinery guarantee high-quality output. Our machines include Ring Polishing Machine, Single Axis Machine, Two Axis Machine, Four Axis Machine, Centering Edging Machine, Mechanical Milling Machine, Spectrograph, Grinding Machine, Nanotech.250upl, Talysurfi120.
- **Inspection Team:** We use advanced testing equipment like ZYGO, Stereo Interferometer, and Horizontal Interferometer to ensure precision. Each batch comes with a detailed testing report.
**Process for Most Optics:**
Material Cutting → Rounding → Milling → Grinding → Polishing → Edging → Cleaning → Coating → Gluing → Edging → Blacking → Assembly → Packing → Shipping
**Packaging & Shipping:**
1. Package Details:
- A. Standard carbon box with plastic foam
- B. Safety green carton
- C. Customized packaging
2. Delivery Details: Within 30 days (depending on quantity)
**Payment Terms:**
[Image: Payment Options]
We are committed to delivering high-quality optical components with reliable service and timely delivery. If you have any questions or need further information, feel free to contact us.