Basics of Lighting Selection in Machine Vision Inspection - illumination machine vision
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Check the below common light phenomena issues to try and identify the issue. If you are still having difficulty, get in touch using the contact details at the bottom of the page
Warning: All buyers are responsible for checking local road laws with the mounting of light bars including red LED’s. The Zbar RW-6 (or 12) is not intended to be a spot light. Its purpose is an infield navigation light while spotlighting or thermal scanning.
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Disclaimer: condensation is not a warrantable issue with light bars. It is a common occurrence with all light bars and is not detrimental to the function of the light bar. The LED produces heat, which then cools when turned off hence creating water condensation. The heat of the light bar once turned on again will evaporate the moisture again.
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This can occur when part of the photo is overexposed to light. It most commonly happens when taking a picture directly aimed at an extremely bright light source such as the Sun.
White spots on photos can be caused by light reflecting off a strong light source. It commonly appears when taking images around bright lights. To reduce light reflections, check the lighting when taking your photos.
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This is a natural phenomenon that can happen when taking photos under fluorescent lights. Fluorescent lights flicker at twice the mains frequency and if you are using a shutter speed of 1/120 or faster, the light and colour intensity can change. This can be more common if you are using Burst Shot mode or Slow Motion.
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If you are taking a photo where there is a bright light source, such as sunlight or a street lamp, this can result in a straight light line appearing on the photo if you take it from an angle resulting in lens flare. This is often exacerbated where the lens is smudged or dirty. Start by wiping the lens with a clean cloth, and change the position of the camera so the light source is from a different angle.
The Z-VISION light bar - 12 - Red and White is a stealth LED light bar featuring red and white LED in one unit. The ability to switch from a white horizontal light to a red angled light which gives you the perfect paddock stealth bar at night. The red LED provides minimal disturbance to livestock and game. Suitable for all vehicles for field use.
The most common reasons are light phenomena, or dust or dirt on the lens. Follow the below steps to try and solve the issue.
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Occasionally, this may appear as a pink dot if exposed to an extremely bright light such as a laser beam. If excessive heat or high-density energy is concentrated in certain areas of the camera lens, it may cause damage to the micro-lens.