Bi-convex Lenses
Overview
- Double convex surfaces designed to converge parallel light rays
- Ideal for focusing and imaging applications
- Provides short focal length and high convergence power
Key Features
Strong Light Convergence
- Efficient focusing of collimated beams
Symmetrical Design
- Minimizes aberrations when used in conjugate systems
High Optical Efficiency
- Suitable for low to moderate aberration-sensitive applications
Design & Construction
- Two outward-curved surfaces
- Best used where object and image distances are similar
- Available in a wide range of diameters and focal lengths
Wavelength Options
- UV, Visible (400–700 nm), NIR
- Anti-reflection coatings available
Applications
- Imaging systems
- Optical instruments
- Beam focusing
- Projection systems
Why Choose Bi-Convex Lenses
- Cost-effective focusing solution
- Simple and versatile design
- Suitable for general optical applications
Frequently asked questions
Here are some common questions about achromatic lens.
When both object and image are at finite distances
Ideal for general-purpose focusing and imaging
BK7, Fused Silica, CaF₂ depending on wavelength requirements
Cemented Doublet:
- Compact design
- Lower reflection loss
- More cost-effective
Air-Spaced Doublet:
- Better thermal stability
- More design flexibility
Consider:
- Required wavelength range (UV, VIS, NIR)
- Focal length and working distance
- Application type (imaging, laser, measurement)
- Yes
- Lenses can be customized based on:
- Material selection
- Coating type
- Diameter and focal length
- Specific system requirements
