Quantitative Imaging Corporation Specializes in high-performance CCD cameras and imaging systems.

Radiant Imaging CCD light measurement systems, light source characterization files, optical and illumination design software, and optical and illumination engineering services.

Raytheon Applications and equipment for infrared technology.

Reflex Analytical Corporation Fabricates lenses, windows, polarizers, prisms and rods.

Richardson Grating Laboratory Manufacturer of diffraction gratings. Replicate from stock an inventory of master ruled and holographic gratings, plane and concave, transmission, reflection and echelle, and grisms.

Rontec USA German manufacturer and supplier of complete premium X-ray microanalysis systems for scanning and transmission electron microscopes.

Ross Optical Industries Supplier and manufacturer of precision lenses, prisms, windows, and mirrors.

Rusan Optical Industry Co., Ltd. Manufacturer of aspheric lenses for reading, myopia and lenses for protective purpose.

Russian Optical Systems Products including night vision devices, image stabilization binoculars, panoramic cameras and other quality optical and electro-optical systems. Russian based reseller.

Saab Tech Electronics Supplier of advanced optical and optronic sights mainly for missile systems and armoured fighting vehicles.

Scientific Solutions, Inc. Designs and manufactures custom liquid-crystal Fabry-Perot (LCFP) tunable filters for visible and NIR wavelengths.

Seoul Optical Maker of optical components.

Sequoia Scientific, Inc. Building on its sponsored research, Sequoia Scientific produces optical instruments and software, specifically designed for oceanographic use.

Sierra Pacific Innovations Infrared camera resources, thermal ir camera specs, thermography inspections for circuit boards, predictive maintenance, energy audits, and online infrared training.

Sinclair Optical Display of company products and full contact directory.

SolVision High technology manufacturer in automated visual inspection equipment ensuring top quality control in microelectronics, microcomputers and semiconductor industries.

Spectral Instruments Designs and manufactures low noise, high resolution scientific cooled CCD cameras for spectroscopic and scientific digital imaging.

Spectrum Metrology Electro-optical metrology products for measurement of alignment, squareness, parallelism, level, flatness, straightness, angle, twist.

Spenser Corporation 3D glasses, paper sunglasses for premium and promotional use.

SPI Electronics Transmitters and bugging equipment kits.