Technology / product information

The "Bi-Convex Lens" has a convex surface on both sides and a positive focal length. This lens is highly refractive, making it excellent for light focusing and image magnification. It is particularly suitable for compact optical system designs and is widely used in microscopes, telescopes, projectors, cameras, and other devices.

While the standard product comes uncoated, anti-reflection coatings and other specialized coatings are available as customization options.

SUGITOH OPTICAL (THAILAND) CO., LTD., based in Samut Sakhon, Thailand, delivers high-quality optical products to customers domestically and internationally. The company leverages advanced Japanese optical technology to provide rapid and flexible solutions that meet diverse industrial needs.

■ Features
・Designed with a positive focal length for light focusing and image magnification
・High refractive capability, enabling compact optical system designs
・Customizable: anti-reflection coatings available
・High durability: beveled edges for protection
・Precision tolerance management: ±0.2mm for center thickness, ±2% for focal length

■ Specifications
・Materials: B270, BK-7, F2
・Refractive Index: 1.523/nd (B270), 1.51680/nd (BK-7), 1.62004/nd (F2)
・Design Wavelength: 587.6nm
・Dimensions: Diameters from 3mm to 100mm
・Tolerances:
Diameter: +0mm/-0.1mm
Center Thickness: ±0.2mm
Focal Length: ±2%
Decentration: Within 3' (arc minutes)
・Surface Quality: MIL 60-40 standard

■ Applications
・Magnifying lenses and focusing lenses
・Objective lenses for optical systems
・Illumination systems and projectors
・Optical systems in microscopes and telescopes

About SUGITOH OPTICAL (THAILAND) CO., LTD.Located in Samut Sakhon, the company offers reliable optical technology to meet the needs of industries and research institutions both domestically and internationally. Through custom solutions and rapid support, the company delivers high-quality optical components.

For more information, download the PDF or contact us directly.