OP6657 Double-Convex Lenses

Biconvex Lenses Description

Biconvex lenses have a positive focal length and are designed to converge parallel light rays. Both surfaces of the lens are convex, with equal radii of curvature, which reduces spherical aberration and improves coma and distortion in optical systems. When the object and image distances are equal or nearly equal, biconvex lenses significantly minimise aberrations. They provide optimal performance when the conjugate ratio is between 5:1 and 1:5, making them ideal for high-precision imaging applications.

Biconvex Lenses Applications

- Optical Instruments: Used in microscopes, telescopes, and cameras to focus light and correct aberrations for clear imaging.

- Laser Systems: For laser beam shaping and focusing, optimizing the light path and reducing distortions.

- Imaging Systems: Utilised in imaging applications such as projection systems and optical devices to enhance image quality by reducing spherical and chromatic aberrations.

- Spectroscopy: Used in spectrometers to focus light onto detectors, ensuring precise wavelength measurements.

- Photography: In optical lenses for cameras to enhance sharpness and minimise image distortions.

- Medical Imaging: Utilised in endoscopes, ophthalmic instruments, and other diagnostic devices for accurate light focusing and improved resolution.

Biconvex Lenses Packaging

Our products are packaged in custom cartons of various sizes based on the material dimensions. Smaller items are securely packed in PP cartons, while larger items are placed in custom-made wooden crates. We strictly adhere to packaging specifications and utilise appropriate cushioning materials to ensure optimal protection during transport.

Packaging: Carton, wooden crate, paper drum, iron drum, or custom-made.

Please refer to the packaging details for your information.

Manufacturing Process

1. Material Selection: Optical materials such as K9 glass, quartz, or UV quartz are chosen based on application.

2. Cutting: The raw material is cut into lens blanks.

3. Grinding: The convex surfaces are shaped, and the flat surfaces are ground to the required specifications.

4. Polishing: Both surfaces are smoothed to achieve optical clarity and surface quality.

5. Coating (optional): Anti-reflective or UV coatings are applied as necessary to enhance performance.

6. Inspection: Focal length, surface accuracy, and overall quality are checked.

7. Beveling: Edges are beveled to avoid damage and ensure smooth handling.

8. Packaging: Lenses are carefully packaged to avoid damage during transport.

Biconvex Lenses FAQs

Q1. What is a biconvex lens?

A biconvex lens has two convex (outwardly curved) surfaces. It is used to converge light rays and has a positive focal length.

Q2. How do biconvex lenses work?

Biconvex lenses focus parallel light rays to a single point and are therefore ideal for light focusing in optical systems.

Q3. What materials are biconvex lenses made from?

These lenses are typically made from materials such as optical glass (e.g., BK7), quartz, or quartz glass, depending on the application and wavelength range.

Comparison Table

Different Types of Lenses