Achromatic Doublet Lenses for High-Precision Optical Systems

Achromatic Doublet Lenses are made by cementing two lens elements together, typically one positive crown glass lens and one negative flint glass lens. This structure helps correct chromatic aberration and spherical aberration, delivering improved image quality and stable optical performance across the visible spectrum.

Compared with singlet lenses, achromatic doublets offer significantly reduced color fringing and better focus consistency. They are ideal for applications requiring high-resolution imaging, accurate beam focusing, collimation, and optical signal transmission.

Realpoo Optics provides custom and standard achromatic doublet lenses with different diameters, focal lengths, coatings, and optical glass materials. Our lenses can be manufactured according to customer drawings, samples, or application requirements.

Key Features

• Excellent chromatic aberration correction
• Improved image sharpness and focusing accuracy
• Better performance than single spherical lenses
• Available in positive and negative focal lengths
• Custom diameter, focal length, coating, and edge blackening available
• Suitable for visible, NIR, and broadband optical systems
• Precision polishing and strict optical inspection

Common Specifications

• Material: N-BK7, H-K9L, F2, H-ZF series, fused silica or custom optical glass
• Diameter: Custom sizes available
• Focal Length: Positive or negative focal length available
• Surface Quality: 60/40, 40/20, or higher precision upon request
• Surface Accuracy: λ/4, λ/8, λ/10 available
• Centering Accuracy: ≤3 arc minutes or customized
• Coating Options: MgF2, VIS AR, NIR AR, BBAR coating
• Edge Treatment: Fine ground, blackened edge, mounted lens available

Applications

Achromatic Doublet Lenses are commonly used in:

• Machine vision systems
• Microscope optical systems
• Telescope and imaging optics
• Laser beam focusing and collimation
• Optical measurement instruments
• Medical and laboratory devices
• Fiber optical systems
• Projection and inspection systems

Custom Achromatic Doublet Lenses

Realpoo Optics supports OEM and custom manufacturing for achromatic doublet lenses. We can produce lenses based on your technical drawings, optical design files, samples, or special application requirements. Customized coatings, materials, dimensions, focal lengths, and mounting solutions are available.

Whether you need prototype samples or batch production, we provide stable quality control, precision processing, and reliable optical performance for your optical systems.