Incidentlighting

Firstly and most surprisingly theres no direct light and only one strobe used here, you could use a second snooted strobe camera left or right to pick out any detail if you felt like it.

LEDs are embedded around a light-guiding diffusion plate. Uniform light is radiated towards the center from a light-emitting surface arranged at an angle to the workpiece.

LEDs are embedded around a light-guiding diffusion plate. Uniform light is radiated from a flat emitting surface. The product lineup includes the LFR-100K and LFR-130K Light Units, in which light is radiated from an emitting surface arranged at an angle.

Dark fieldimage

High Power Strobe Lights PF Series.* Low-Angle Ring type.* Peak illuminance achieves 10 million lx.* Realizes high-speed and accurate inspection.* Solves your xenon flash lamp problems.* Freely adjustable flash timing enables strobing within the exposure period of the camera.Download Pamphlet PDF

My product studio is small so to get round this I used reflective umbrellas black side out to both left and right nice and close in any other black ‘flag type’ props will do the job.

At a low angle, these Ring Lights can be used to highlight and image the characters and scratches in a dark field.At a high angle, these Ring Lights can be used to uniformly image the entire workpiece in a bright field.CCS can offer various lighting methods according to the applications.

Dark fieldillumination test syphilis

I first blogged about Dark Field Lighting way back in 2010. Since then I have had the conversation with so many people that I thought I’d repost it again, with a few edits here and there.

These waterproof Ring Lights ensure the brightness with condensing lenses. IP67 compliance. Adopting an M12 connector.Download Pamphlet PDF

These Ring Lights have "easy to use", "bright", and "uniform" characteristics. The product lineup includes abundant size variations, full color (RGB) models, and satisfying accessories such as the Light Joint Brackets.Download Pamphlet PDF

Any angle can be created through the use of flexible circuit boards. The features of the workpiece can be clearly extracted with direct light from a low angle towards the center of the workpiece.

[Not available in Japan] "FALUX sensing"* Included in HPRS Series. enables monitoring of brightness and feedback control. *Included in HPRS Series only. Achieves high-uniformity over a flexible LWD range by using a unique illuminating mechanism.

Ring lights for long-distance and wide-area irradiation.Suitable for various applications such as large workpieces, long-distance illumination, and robot picking inspections. Available in 4 wavelengths: red, white, blue, and infrared.Wide, medium and narrow light directivity characteristics are available.Lightweight and compact size that can be mounted on robot arms and inspection equipment.Custom orders are also possible such as different wavelengths and overdrive.HLDL3 Series bar lights for wide-area and long-distance illumination are also available.

The strobe is set below the table pointing directly at a white wall immediately behind all this. The room needs to be very dark to eliminate any reflections. In a small room you will have problems with reflections from the walls etc.

Machine visionlighting

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Brightfield illumination

These looks amazing, and I loved the description of how you did the job. Will try it anytime soon, but then again i`m just an amateur.

Any angle can be created with CCS's unique flexible circuit boards. The required irradiance is ensured by radiating direct light towards the center of the workpiece.

LEDs are mounted perpendicularly on a line-shaped board and arranged in a ring facing horizontally. The thin design has a thickness of only 10 mm.These Ring Lights are used extremely close to the workpiece.

Your solution therefore is the dark field method, before I get flamed by those in the know, yes there is an opposite technique called, yes you’ve guessed it Light Field Photography. Its a bit like the Ying and Yang of product photography lighting!

Difference betweendark fieldand brightfieldillumination

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The glass subject sat on something black I used foam core with glass ontop for that shiney look. A further piece of foamcore just big enough to fill the frame.So here’s the set up and its really simple.

High Power Strobe Lights PF Series.* Ring type.* Peak illuminance achieves 6.5 million lx.* Realizes high-speed and accurate inspection.* Solves your xenon flash lamp problems.* Freely adjustable flash timing enables strobing within the exposure period of the camera.Download Pamphlet PDF

Have you ever tried to photograph something thats made of glass? If you have you’ll know the problems with reflections, it usually results in your mugshot in one of the reflections possibly grining, or the window with the number 7 bus driving by! Not wholly professional and certainly it wont be of a standard that a client is willing to pay for.