Edmund presents fast fixed-focal-length lenses

-- Test & Measurement World, 6/19/2007 10:36:00 AM

Edmund Optics at the International Robots & Vision Show highlighted two new fast, fixed-focal-length-lenses. The new TECHSPEC lenses offer object-space resolution better than two line-pairs per millimeter and are available in focal lengths such as 8.5 and 12 mm. The lenses are designed for high-speed, high-resolution imaging, making them suitable for on-line inspection applications.

The high-resolution fixed-focal-length lenses support sensors as large as 2/3-in. and provide an angular field of view greater than 40º. At the lenses’ minimum working distance of 200 mm, this corresponds to a field 240 mm wide for the 8.5-mm focal-length lens (#58-000) and 155 mm for the 12-mm focal-length lens (#58-001). The short focal lengths of these macro lenses allow them to work in low-lighting applications, offering speeds as fast as f-1.3.

Other features include a low-profile housing, variable focus and iris adjustments with detents, and a standard C-mount interface for convenient camera coupling. Focus and iris adjustments can be locked using thumbscrews or replaced with setscrews to give a more permanent lock. Industry-standard filters can be easily attached to these lenses via the M25.5 x 0.5-mm filter thread located on the front of the lens.

Base price: $230 each; volume pricing is available.

www.edmundoptics.com

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