Machine Vision Dome Lights
Use a dome light when glare from direct lighting hides the inspection feature. Dome illumination spreads light across many angles, making curved or glossy surfaces more uniform so printed marks, shape, color, or larger defects can be inspected.
Suitable uses
- Glossy plastic and curved metal
- Packaging and caps
- Printed marks on uneven parts
- Shadow reduction around raised features
Likely to fail when
- Small scratches need dark-field contrast
- The part is too large for the dome opening
- The camera needs a very long working distance
Selection inputs
- Dome opening size
- Object height
- Camera viewing hole
- Diffusion level
- Wavelength and brightness
Frequently asked questions
When is Machine Vision Dome Lights useful?
Use a dome light when glare from direct lighting hides the inspection feature. Dome illumination spreads light across many angles, making curved or glossy surfaces more uniform so printed marks, shape, color, or larger defects can be inspected.
What information is needed to select a light?
Start with Dome opening size, Object height, Camera viewing hole. Share target images and the inspection requirement so the arrangement can be checked on the actual application.