
Typically utilizing our proprietary low-reflecting black chrome, our apertures have become the benchmark for endoscope manufacturers. Our black chrome is very durable, low-reflecting in visible with Rave <5% , OD > 4.0. Excellent edge acuity and accuracy (± 1μm). We can also deposit other required materials such as high reflective protected aluminum, gold, etc.

Opto-Line International’s expertise in photolithography, combined with our thin film coating capability, enables us to provide our customers with the finest precision patterned optics…often the most complex and demanding. We’d love to hear from you. Please tell us more about your custom optical pattern needs by completing the form below or calling us at (978) […]

Opto-Line specializes in custom optical patterns and coatings to meet the needs of clients across markets worldwide. We have provided clients with the finest precision patterned optics, often the most complex and demanding. We invite you to reach out to learn more. Our clients include, but are not limited to, the following markets: Aerospace Military […]

Precision Patterns • Thin Film Coatings • Quality The Opto-Line name is synonymous with Service. It is our mission to provide you with the best service and quality. It is your satisfaction that has kept us in business for over fifty years.

Opto-Line offers unparalleled service and undeniable quality. To learn more about how we can meet your custom optical pattern needs, please call us at 978.658.7255 or request a quote by clicking below.

Opto-Line provides the highest quality apertures for medical endoscopes. Typically utilizing our proprietary low-reflecting black chrome, our apertures have become the benchmark for endoscope manufacturers. In addition, Opto-Line crafts reticles, ellipses, metrology targets, and many other precision optometry optical patterns which serve dozens of Universities, Visual Science Centers, Eye Institutes, Ophthalmology Schools, etc. Please visit […]

Since 1967, Opto-Line International has built a reputation for excellence, providing companies in the medical, optometry, aerospace, industrial, science and defense sectors with the very best custom precision optical patterns and thin film coatings available.

Opto-Line specializes in custom optical patterns and coatings to meet the needs of clients across markets worldwide. Our clients include, but are not limited to, the following markets: Aerospace Military & Defense Medical Metrology Research & Development

Precision Optical Patterns for the Medical Industry For the Endoscopy industry, Opto-Line provides the highest quality apertures for medical endoscopes and laparoscopes. In the area of Optometry & Opthamology, we craft reticles, ellipses, metrology targets, and many other custom patterns which serve dozens of Universities, Visual Science Centers, Eye Institutes, Ophthalmology Schools, etc. With more […]

Opto-Line International’s products and services include multi-density resolution masks, neutral density filters, reticle patterns, precision apertures, calibration test targets, EMI grids, photolithographic services, contrast test targets, and many more.