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CI Systems, Inc. - Simi Valley, CA
Manufacturer of E-O test and measurement equipment, from instruments through turnkey test stations. Offerings include blackbody sources, spectroradiometers, imaging spectroradiometers, collimators, boresight test systems, FLIR test systems, FLIR/thermal imager test sets, FPA detector test sets,...
Electro Optical Industries, LLC, Sub. of Channel Technologies Group, LLC - Santa Barbara, CA
Electro Optical Industries is the world leader in advanced infrared and visible light spectrum test and calibration equipment. EOI solves customers' electro-optical testing challenges by understanding the technical requirements and providing the best value solution of proven EOI equipment. EOI...
Innovation Photonics - Verona, NJ
INNOVATION PHOTONICS (InnPho) was launched in December, 2009, by Don Wilson. Don has been in the photonics arena (precision optics, engineering & design, isolators, fiber-optic configuring devices, telescopes) since 1964. Don has been awarded a number of patents on isolators, fiber-optic...
LightWorks Optical Systems, Sub. of II-VI Incorporated - Tustin, CA
LightWorks Optical Systems is a leading provider of high precision optical assemblies, systems and components. LightWorks Optics, Inc. was acquired by II-VI Incorporated, and merged operations with Exotic Electro-Optics, also a subsidiary of II-VI Incorporated. The integrated company is...
Aero Research Associates, Inc. - Holbrook, NY
Aero Research Associates offers state-of-the-art diamond machined optic components using a variety of base materials such as aluminum, brass, or copper. Our specially designed proprietary technology enables us to economically deliver a fine specular surface in a great variety of shapes and sizes,...
PFG Precision Optics - Ocean Springs, MS
Manufacturer of precision optical components from UV through mid-IR wavelengths. Components include prisms, windows, filters, wedges, mirrors, beamsplitters, and all types of singlet, doublet and triplet lenses. Electron and ion-assisted deposition coating services available. Prototype production...
Rocky Mountain Instrument Co. (RMI) - Lafayette, CO
Rocky Mountain Instrument Co. is a fully integrated manufacturer of high quality photonics products. Capabilities include: custom optical fabrication, UV/visible/IR coatings, optical assemblies, DPSS laser systems (1064/532/355 nm) and ultracompact laser marking engines. RMI can handle OEM...
TRIOPTICS GmbH - Wedel, Germany
The Whole Spectrum of Optical Metrology Since 1992 TRIOPTICS GmbH has been a leading manufacturer of optical test equipment for industrial and scientific use. The company has focused on research and development of accurate and automatic optical test and measurement instruments. The...
Rochester Precision Optics (RPO) - West Henrietta, NY
Accu-Glass LLC - St. Louis, MO
Achray Photonics - Ottawa, Canada
CI Systems Ltd. - Migdal Haemek, Israel
HGH Infrared Systems - Igny, France
HGH Infrared Systems, Sub. of HGH Systemes Infrarouge - Cambridge, MA
Infrared Optics - Faridabad, India
Lombardo Technical Services (LTS) - Santa Barbara, CA
New England Optical Systems - NEOS - Marlborough, MA
Optical Energy Technologies Inc. - Stamford, CT
Photop Technologies, Inc., Sub. of II-VI Inc. - Fuzhou, China
Santa Barbara Infrared Inc., A HEICO Co. - Santa Barbara, CA
StingRay Optics, LLC - Keene, NH
Warren Industries, Inc., Warren-Knight Instrument Co. - Philadelphia, PA
An optical instrument consisting of a well-corrected objective lens with an illuminated slit or reticle at its focal plane. Collimators are used in lens testing to determine focal lengths, and in other metrological applications where a distant...
lens testing equipment
Devices such as spherometers, lensometers, lens benches, knife-edge devices, interferometers and MTF equipment for testing the single elements of a lens and the completed lens assembly.
Thin-film coating, single or multilayer, that is applied to a substrate to increase its reflectance over a specified range of wavelengths. Metal film, transparent or opaque, is the oldest form of reflective coating.
focal length (f)
The effective focal length (EFL) is the distance from the principal point to the focal point. The back focal length (BFL) is the distance from the vertex of the last lens to the second focal point. The front focal length (FFL) is the distance from...
illuminated slit reticle
focal lengths metrological applications
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