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by GN Manion · 2023 · Cited by 1 — Chromatic aberration, also referred to as chromatic distortion, color fringing, and spherochromatism, is a common optical phenomenon that ...

Manufacturing Standard and Custom fiber optics for Industrial, Medical, Commercial, Military and Machine Vision applications since 1977.

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Just like fiber, LEDs have their weak points. As you will probably notice, the weak points of each technology can be offset by one another.

Today, most general vision applications prefer the less expensive, longer lasting, and effective lighting produced by LEDs. However, for several reasons listed above, fiber optic lighting is still the preferred lighting source.

Oct 24, 2021 — Q1. Field of view Microscope field of view (FOV) maximum visible area when he/she is viewing through the eyepiece. FOV is greater when the ...

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With an 80mm effective focal-length on APS-C cameras, 50mm on full-frame cameras, it's an excellent prime lens for portraits, action, even nighttime photography ...

As vision technology evolved in the late 1990s, lighting became recognized as a key to solving marginal or unworkable vision applications by selectively controlling contrast in the field of view (FOV). Hard to see features were more readily resolved, which improved processing speed and accuracy.

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Feb 5, 2023 — The mathematical description of aspheric lenses is based on a surface profile equation that defines the shape of the lens surface. This equation ...

Procedure · Without disturbing the lens and screen, arrange both of them on the wooden bench. · Place the lens on the holder facing a distant object. · Place the ...

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To implement this new strategy, engineers realized that shaped lighting, specifically, fiber optics, optimized contrast, producing optimized resolution accuracy and overall performance, while avoiding illumination where it was not needed.

First conceived in 1962 by Nick Holonyak Jr., continuous improvement of the light emitting diode (LED) made this electronic device a more relevant, less expensive alternative to fiber optic and other types of lighting technology.  The LED was first widely available in its red incarnation, which suited some vision applications; those working with monochromatic (B&W) cameras.

The plane polarized light may be P-Polarized if the direction of polarization is parallel to the plane of incidence; S-polarized if perpendicular. The ...

However, the device was largely unsuited for any color evaluation and so had limited use. In 1996, the first “white” LED was offered for sale. The chip emitted what appeared to be white, bright light, but in essence, was a blue LED doped with phosphorus appearing to emit white light. Regardless of the technical trickery, in 1996, LED technology forever seated itself as a viable replacement technology for fiber optic lighting in vision applications for the following reasons:

Higher-power and higher-frequency green or blue lasers may produce a beam visible even in clean air because of Rayleigh scattering from air molecules, ...

According to 'mm to inches' conversion formula if you want to convert 38 (thirty-eight) Millimeters to Inches you have to divide 38 by 25.4.

When the vision industry was just a fledgling niche technology, everyone invested all their time in software and video technology. Nobody ever considered the role lighting plays in application effectiveness. Any type or method of lighting would do; the camera coupled with the software would distinguish important features and the computer would perform the proper function.

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850nm refers to the wavelength emitted by these IR LEDs. This specific wavelength is widely used for infrared applications, such as remote controls, motion ...

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