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Fixed Focal Length Lenses

The focal length of a lens is the distance between the lens's optical center (or principal point) and the image sensor or film when the lens is focused at infinity. In simple terms, it is the distance from the lens to the point where parallel rays of light converge or appear to diverge after passing through the lens.

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FOCtek Photonics Inc.
FOCtek Photonics Inc. - Fuzhou, China
Precision optical components, polarization optics, crystals, assemblies, megapixel CCTV lenses, 20 MP machine vision lenses, and optical system solutions. Advanced measurement systems include Prism Master, spheric lens measurement systems, interferometers, and spectrophotometers. ISO 9001, IATF/TS16949, ISO 14001, and ISO 13485 certified with SGS.
Stock ManufacturerCustom Manufacturer
3 products
AZURE Photonics Co. Ltd. - Fuzhou, China
Nanyang Running Optical & Electronic Co. Ltd. - Nanyang, China
Young Optics Inc. - Hsinchu, Taiwan
Glossary
  • focal length The focal length of a lens is the distance between the lens's optical center (or principal point) and the image sensor or film when the lens is focused at infinity. In simple terms, it is the distance from the lens to the point where parallel rays...
Fixed Focal Length Lenses Suppliersoptical lensfixed distanceopticsimagingfocal point

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