Square Dome lighting
Alternatives
CDI Lighting
On-Axis lights are used to...
On-Axis lights are used to illuminate reflective objects.
The mail problem with imaging reflective objects is that reflections of the light and camera can often be seen in the resulting image. On Axis illumination uses beam splitting techniques to enable the illumination to be positioned between the camera and the object so that the camera is situated behind the light.
Square dome lights comprise a panel similar to edge type backlights in construction, with LEDs pointing inwards from around the edge. Instead of a diffuser, these lights have clear panels top and bottom so that the panel is transparent. In between the clear panels, there is a very fine wire mesh that redirects the light down onto the object.
As for all on axis lighting, the camera looks straight down through the panel from above – this type of light is best suited to illumination of flat reflective objects similar to a DOAL. Again, light is optimised over an area covering 50% of the linear dimensions and the unit generally needs to be positioned as close as possible to the object.
The main benefit of using this type of panel light is that it is very thin versus any other on axis lighting.
Square Dome lighting is available from IMAC.
Key features
- Available in a range of colours including White, Red, Green, Blue and IR
- Intensity controlled via voltage, constant current or pulse width.
- Continuous output and strobe versions
- Fast on/off response (nanoseconds for some models)
- Long life expectancy up to 100k hours
- Accessories including power supplies only
Accessories
- Fixed power supplies for constant voltage models
- Intensity controllable power supplies (variable voltage type)
- Strobe power supplies
- Transparent protective covers
*Specifications are subject to change without notice
