DOAL/COAL Illuminators
With the DOAL's coaxial (on axis) illumination, light rays reflect off a beam splitter directly on to an object at nearly 90°. With this coaxial lighting approach, specular surfaces perpendicular to the camera appear illuminated, while surfaces at an angle to the camera appear dark. Non-specular surfaces absorb light and appear dark.
The new DOAL-50 V2 (Version 2) expands application capabilities. Using the same on axis lighting technique, the DOAL-50 V2 delivers up to twice the light intensity of first generation DOALs. This high intensity coaxial light enables applications that were previously too intensity-dependent for beam splitter derived on axis lighting techniques.
Additionally, the V2 DOAL's fan-free design results in a quieter, more reliable unit suitable for environments where airflow disruptions are not allowed (e.g. clean rooms) and where air born dust penetration threatens the life of fan cooled devices.
DOALs provide diffuse, uniform illumination for flat specular surfaces. By providing greater uniformity than conventional sources, DOALs increase machine vision accuracy and repeatability up to 200%.
COAL modules provide collimated illumination in the same optical path as the camera. The COAL is designed for applications requiring coaxial bright light.
- Provides superior uniformity throughout the illumination envelope
- Significantly enhances image quality
- Improves the accuracy and repeatability of machine vision performance on specular surfaces
- Compact, light weight package can be used on moving camera modules
- V2 models are clean room compatible
- Illumination sources include LED, fiber optic, and cold cathode fluorescent sources
- Cost-effective product line
Specs
DOAL® -25-LED
Light Aperture: 25 mm x 25 mm (1 in. x 1 in.)
Field Of View x Stand-Off: 12.5 mm x 12.5 mm (0.5 in. x 0.5 in.)
L x W x H (mm/in.): 61.8 mm x 31.8 mm x 27.0 mm (2.43 in. x 1.25 in. x 1.06 in.)
Mounting: (2) M6
DOAL®-50 “V2” Series LED
Light Aperture: 50 mm x 49 mm (2 in. x 1.93 in.)
Field Of View x Stand-Off: 25 mm x 25 mm (1 in. x 1 in.)
L x W x H (mm/in.): 106.7 mm x 58.2 mm x 55.4 mm (4.20 in. x 2.29 in. x 2.18 in.)
Mounting: (7) M6 x 1.0 (0.25” deep)
DOAL®-75 LED
Light Aperture: 75 mm x 75 mm (3 in. x 3 in.)
Field Of View x Stand-Off: 38 mm (1.5 in.) x 25 mm (1.0in.)
L x W x H (mm/in.): 142.0 mm x 82.2 mm x 77.2 mm (5.59 in. x 3.24 in. 3.04 in.)
Mounting: (6) M6
DOAL®-100-LED
Light Aperture: 100 mm x 100 mm (4 in. x 4 in.)
Field Of View x Stand-Off1: 50 mm (2.0 in.) x 25 mm (1.0in.)
L x W x H (mm/in.): 168.5 mm x 108.0 mm x 103.7 mm (6.64 in. x 4.25 in. x 4.08 in.)
Mounting: (6) M6
DOAL®-100x200 LED
Light Aperture: 100.2 mm x 230.4 mm (3.94 in. x 9.07 in.)
Field Of View x Stand-Off: 1 50 mm (2.0 in.) x 25 mm (1.0 in.)
L x W x H (mm/in.): 183.1 mm x 236.7 mm x 103.6 mm (7.21 in. x 9.32 in. x 4.08 in.)
Mounting: (9) M6
DOAL®-200-LED Infra-Red
Light Aperture: 199 mm x 203 mm (7.8 in. x 8 in.)
Suggested Field Of View: 100 mm (4 in.)
Suggested Stand-Off: 25 mm (1 in.)
L x W x H: 274.8 mm x 212.7 mm x 204.9mm (10.82 in. x 8.37 in. x 8.07 in.)
Mounting: (6) M6
DOAL®-20-FO
Light Aperture: 20 mm x 20 mm (0.8 in. x 0.8 in.)
Suggested Field Of View: 10 mm (0.4 in.)
Suggested Stand-Off: 12 mm (0.5 in.)
L x W x H: 82.6 mm x 25.4 mm x 20.6 mm (3.25 in. x 1.00 in. 0.81 in.)
Mounting: (2) M6
DOAL® -25-FO
Light Aperture: 25 mm x 25 mm (1.0 in. x 1.0 in.)
Field Of View x Stand-Off: 12 mm (0.5 in.) x 12 mm (0.5 in.)
L x W x H (mm/in.): 101.6 mm x 31.8 mm x 27.4 mm (4.00 in. x 1.25 in. x 1.08 in.)
Mounting: (2) ¼-20
DOAL 50-FO-205100
Light Aperture: 50 mm x 50 mm (2 in. x 2 in.)
Suggested Field Of View: 25 mm (1 in.)
Suggested Stand-Off: 12 mm (0.5 in.)
L x W x H: 146.1 mm x 57.2 mm x 52.8 mm (5.75 in. x 2.25 in. x 2.08 in.)
Mounting: (6) M6
DOAL®-75-FO
Light Aperture: 75 mm x 75 mm (3 in. x 3 in.)
Suggested Field Of View: 38 mm (1.5 in.)
Suggested Stand-Off: 25 mm (1.0 in.)
L x W x H: 205.0 mm x 82.6 mm x 78.2 mm (8.07 in. x 3.25 in. x 3.08 in.)
Mounting: (4) M6
DOAL®-100-FO
Light Aperture: 100 mm x 100 mm (4 in. x 4 in.)
Suggested Field Of View: 50 mm (2 in.)
Suggested Stand-Off: 12 mm (0.5 in.)
L x W x H: 228.6 mm x 108.0 mm x 103.6 mm (9.00 in. x 4.25 in. x 4.08 in.)
Mounting: (4) ¼-20
DOAL®-50-FL
Light Aperture: 50 mm x 50 mm (2 in. x 2 in.)
Suggested Field Of View: 25 mm (1 in.)
Suggested Stand-Off: 12 mm (0.5 in.)
L x W x H: 95.3 mm x 86.4 mm x 52.4 mm (3.75 in. x 3.40 in. x 2.06 in.)
Mounting: (6) M6
DOAL®-100-FL
Light Aperture: 100 mm x 100 mm (4 in. x 4 in.)
Suggested Field Of View: 50 mm (2 in.)
Suggested Stand-Off: 25 mm (1 in.)
L x W x H: 161.4 mm x 120.4 mm x 116.3 mm (6.35 in. x 4.74 in. x 4.58 in.)
Mounting: (6) ¼-20
COAL-25-FO
Light Aperture: 25 mm x 25 mm (1 in. x 1 in.)
Suggested Field Of View: 12 mm (0.5 in.)
Suggested Stand-Off: 12 mm (0.5 in.)
L x W x H: 101.6 mm x 31.8 mm x 27.4 mm (4.00 in. x 1.25 in. x 1.08 in.)
Mounting: (2) ¼-20
COAL-50-FO
Light Aperture: 50 mm x 50 mm (2 in. x 2 in.)
Suggested Field Of View: 25 mm (1 in.)
Suggested Stand-Off: 12 mm (0.5 in.)
L x W x H: 146.1 mm x 57.2 mm x 52.8 mm (5.75 in. x 2.25 in. x 2.08 in.)
Mounting: (6) M6
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