LED Illuminator eliminates glare to create contrast.

Press Release Summary:

By providing flat, even lighting without shadows across full area, Diffuse Axial LED Illuminator overcomes glare presented by microscopic inspection and imaging of shiny surfaces. This microscope accessory, powered by plug-in light controller with dimmer, mounts objective lens and spreads light rays in different directions to create contrast between specular, diffuse, and absorptive planes. Aperture size is 50 x 50 mm, and white LEDs have 20,000 hr lifespan.

Original Press Release:

Diffuse Axial LED Illuminator From Aven Replaces Glare with Contrast

ANN ARBOR, MI — Microscopic inspection and imaging of shiny surfaces presents a glare challenge that is overcome with Aven’s new Diffuse Axial LED Illuminator.

This microscope accessory with its own power supply provides flat, even lighting without shadows across the full area of electronic components, metal parts or other reflective objects. It’s also useful for examining clear-coated or embossed items.

“The highly diffuse, low-contrast illumination optimizes the dynamic range,” explains Mike Shahpurwala, president of Aven, Inc., a global provider of optical instruments. “This is the most reliable way to enhance scribed or indented features on a polished surface.”

Microscopically smooth, mirror-like surfaces reflect light in a concentrated bundle of rays. Without a diffuser, that creates hot spots and washed-out portions. Captured images have underexposed or overexposed areas that prevent further evaluation.

The Diffuse Axial LED Illuminator mounts to the objective lens and spreads light rays in different directions to create contrast between specular, diffuse and absorptive planes. It’s powered by a plug-in light controller with dimmer. The aperture size is 50 by 50 millimeters and the white LEDs have a lifespan of at least 20,000 hours.

“Low-temperature, energy-efficient LEDs are the best choice for microscopy lighting,” notes Shahpurwala.

Applications include semiconductor fabrication checks, electronics product inspection, materials analysis and specialized lab microscopy.

The new illuminator is designed for two series of Aven microscopes. For conventional lighting, the company has a ProLux LED Fiber Optic Illuminator, as well as eight LED ring lights and two fiber-optic models.

For more information, call (734) 973-0099. A digital catalog is at www.aventools.com/print-and-web-materials. See us this fall at Booth 840 during ATX Midwest in Chicago on Oct. 1-2.


Aven, Inc. manufactures and distributes high-performance optical instruments and precision tools for microscopy, inspection and assembly. More than 800 products include video inspection systems, integrated portable microscopes, video borescopes, task lights and stainless steel tools for lab use and precision hand tools such as tweezers, pliers, cutters, screwdrivers, crimpers, knives and alignment tools. Brands include Mighty Scope, iLoupe, Miruc, Carton, Technik and Accu-Tek.

A technology innovator since 1983, Aven is located in a high-tech corridor of Southeast Michigan.  

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