Digital Microscopes
Diffuse Lighting
Optical Illumination Technique - Diffuse Lighting
Some of the most difficult targets to properly illuminate are three-dimensional objects that are highly-reflective (e.g. medical devices, electronic components, etc).
With typical lighting, images of these objects usually contain areas with extreme glare, while other parts of the target are dark.
By using a diffuser attachment, light is uniformly spread over an area to provide the best possible illumination for clear observation of the target.
Schematic of specular reflection from a three-dimensional structure
A : Lens B : Light source C : Reflected light enters into the lens to cause glare
D : Reflected light doesn’t reach the lens, creating shadows
A : Lens B : Frosted glass optical filter C : Object
Schematic of diffuse illumination
Diffuse illumination image samples
Screw
Without diffuse illumination
With diffuse illumination
Mounted solder
Without diffuse illumination
With diffuse illumination
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