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Low-angle dark-field ring lights

Set the angle from the part surface

Explore ring lights classified as low-angle illumination. Compare the clear opening, working distance, colour and mounting geometry for surface-detail inspection and dark-field lighting trials.

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Low-angle dark-field ring lights

1-24 of 28 models

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LS-RNG-0681Ø208 mm low-angle ring light, 25° angle Red, Blue, White, Green, Infrared, UV24 VDC25°Low-angle-From $385.00 Ships in 3-4 weeks
LS-RNG-0679Ø180 mm low-angle ring light, 30° angle Red, Blue, White, Green, Infrared, UV24 VDC30°Low-angle-From $345.00 Ships in 3-4 weeks
LS-RNG-0677Ø150 mm low-angle ring light, 30° angle Red, Blue, White, Green, Infrared, UV24 VDC30°Low-angle-From $340.00 Ships in 3-4 weeks
LS-RNG-0680Ø206 mm low-angle ring light Red, Blue, White, Green, Infrared, UV24 VDCLow angle (0-15°)Low-angle-From $369.00 Ships in 3-4 weeks
LS-RNG-0675Ø132 mm low-angle ring light, 15° angle Red, Blue, White, Green, Infrared, UV24 VDC15°Low-angle-From $235.00 Ships in 3-4 weeks
LS-RNG-0678Ø176 mm low-angle ring light Red, Blue, White, Green, Infrared, UV24 VDCLow angle (0-15°)Low-angle-From $279.00 Ships in 3-4 weeks
LS-RNG-0674Ø120 mm low-angle ring light, 30° angle Red, Blue, White, Green, Infrared, UV24 VDC30°Low-angle-From $190.00 Ships in 3-4 weeks
LS-RNG-0676Ø146 mm low-angle ring light Red, Blue, White, Green, Infrared, UV24 VDCLow angle (0-15°)Low-angle-From $249.00 Ships in 3-4 weeks
LS-RNG-0672Ø100 mm low-angle ring light, 30° angle Red, Blue, White, Green, Infrared, UV24 VDC30°Low-angle-From $170.00 Ships in 3-4 weeks
LS-RNG-0673Ø120 mm low-angle ring light Red, Blue, White, Green, Infrared, UV24 VDCLow angle (0-15°)Low-angle-From $199.00 Ships in 3-4 weeks
LS-RNG-0671Ø96 mm low-angle ring light Red, Blue, White, Green, Infrared, UV24 VDCLow angle (0-15°)Low-angle-From $169.00 Ships in 3-4 weeks
LS-RNG-0669Ø74 mm low-angle ring light, 30° angle Red, Blue, White, Green, Infrared, UV24 VDC30°Low-angle-From $149.00 Ships in 3-4 weeks
LS-RNG-0670Ø75 mm low-angle ring light Red, Blue, White, Green, Infrared, UV24 VDCLow angle (0-15°)Low-angle-From $149.00 Ships in 3-4 weeks
LS-RNG-0668Ø66 mm low-angle ring light, 30° angle Red, Blue, White, Green, Infrared, UV24 VDC30°Low-angle-From $139.00 Ships in 3-4 weeks
LS-RNG-0667Ø50 mm low-angle ring light, 30° angle Red, Blue, White, Green, Infrared, UV24 VDC30°Low-angle-From $125.00 Ships in 3-4 weeks
LS-RNG-0666Ø50 mm low-angle ring light Red, Blue, White, Green, Infrared, UV24 VDCLow angle (0-15°)Low-angle-From $112.00 Ships in 3-4 weeks
LS-RNG-0071Dark field ring light, 203.2 mm wide Infrared24 V DC-Low-angle880 nm$3,259.00Quote Lead time confirmed with your quote
LS-RNG-0070Dark field ring light, 101.6 mm wide Infrared24 V DC-Low-angle880 nm$2,009.00Quote Lead time confirmed with your quote
LS-RNG-0055Dark field ring light, 138 mm White, Red, Green, Infrared, Blue24 VDCDiffusedLow-angle-$829.00Quote Built to order: ships in about 1-2 weeks
LS-RNG-0056Dark field ring light, 72 mm White, Red, Green, Infrared, Blue24 VDCDiffusedLow-angle-$759.00Quote Built to order: ships in about 1-2 weeks
LS-RNG-0054Dark field ring light, 323.1 mm White, Red, Green, Infrared, Blue24 VDC25 DegreeLow-angle-$1,959.00Quote Built to order: ships in about 1-2 weeks
LS-RNG-0053Dark field ring light, 291.4 mm White, Red, Green, Infrared, Blue24 VDC-Low-angle850 nm, 940 nm$1,169.00Quote Built to order: ships in about 1-2 weeks
LS-RNG-0052Dark field ring light, 735 mm White, Infrared, Red, Green, UV, Blue24 VDC-Low-angle365 nm, 395 nm, 850 nm, 940 nm$6,519.00Quote Built to order: ships in about 1-2 weeks
LS-RNG-0051Dark field ring light, 466 mm White, Infrared, Red, Green, UV, Blue24 VDC-Low-angle365 nm, 395 nm, 850 nm, 940 nm$4,179.00Quote Built to order: ships in about 1-2 weeks

Set the angle from the part surface

Low-angle illumination is useful when the inspection depends on light scattered by surface features. Its result depends on the material and the camera-light-part geometry. Use the ring dimensions and model data to plan a trial, keeping the illumination angle separate from the camera viewing angle.

  • Check the inner opening, outer diameter and mounting height so the lens view remains clear and the light reaches the region of interest.
  • Compare colour and output with the surface and camera response. Test the feature and background together; a lighting geometry alone does not guarantee defect contrast.
  • Confirm the supply, connector, control mode and mounting arrangement for the chosen light, and allow adjustment of distance and angle in the fixture.

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