As the creators of the SELFOC Lens, NSG Group manufactures and distributes more gradient-index lenses than anyone else in the world. Developed over 30 years ago, the SELFOC Lens has revolutionized the industries of fiber optic communications, medical imaging, and document reproduction by providing a modern alternative to conventional glass optics. The world’s first “self-focusing” lens is now recognized worldwide as a unique, convenient, and economical solution to many optical design challenges. NSG Group and Go!Foton supports this unique product technology with first-rate technical expertise and dependable customer service. For a variety of requirements in countless applications, Go!Foton is focused on your needs.



SELFOC Lenses are used in high-speed telecommunications applications. Our Micro Lenses are the basic building blocks for many fiber optic products. These self-focusing lenses are used to focus or collimate light in a wide variety of signal transmission applications. Their gradient-index composition, single piece construction and rod shape make them ideal for focusing light from a laser or LED into a singlemode fiber optic cable. Other applications include optical isolators, collimators and DWDM devices.

imaging scanning

Imaging & Scanning

Go!Foton is the premier supplier of lens arrays used in the imaging industry. Our lens arrays are found world wide inside copiers, facsimile machines and scanners. Our lens arrays are used anywhere a 1:1 image transfer is needed. By using our arrays, an erect, real image is produced with superb image quality. These images have no distortion at periphery, a uniform resolution and an even brightness.


Go!Foton, the trusted name in glass technology, offers a global network of resources to customers through our Original Opti-Sourcing program. We can help build your company without an expansion of your work force or equipment. We become a virtual extension of your business by offering the services of our employees, facilities and intellectual property. Go!Foton brings more than three decades of high-grade optics manufacturing to assist you in meeting today’s business challenges as well as nearly a century of material innovation via NSG Group.

clinical medical

Clinical Medicine

From endoscopes to cutting edge OCT, Go!Foton has the optical components for your needs. Go!Foton arranges the production and assembly of a full OCT probe including prism, torque coils, and other components with the PBPC.

biomedical research

Biomedical Research

Find out more about our products for fluorescence detection and image acquisition in the lab. In addition to image management SELFOC® Lens Arrays (SLAs) can be used for scanning biomedical samples on slides.



Go!Foton brings to market the SELFOC lens family produced by NSG Group in Japan. The origin of its SELFOC lens dates back to 1968 and the original objective was to develop a lens for fiber-optic gastric endoscope.


High Density Fiber Management Platform

Go!Foton Corporation, a global leader in fiber connectivity solutions, launches PEACOC V3.0 aimed at addressing the architectural and business needs of Central Offices and Data Centers looking to implement emerging next generation applications such as 5G, C-RAN, NG-PON2, and Ultra Long Haul transmission.

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