Lens additions bring machine vision into sharper focus

6th August 2015
Posted By : Mick Elliott
Lens additions bring machine vision into sharper focus

New products developed for high resolution machine vision solutions have been added to the Stemmer Imaging lens portfolio. Ricoh´s FL-BC series is a family of compact lenses for 9 megapixel cameras with sensor size up to 1in-CCD and focal lengths from 25 up to 75mm. The apertures of the four models cover F1.8, F2.4 and F 2.8 and allow for minimum object distances between 100 and 250 mm.

With filter threads of M40.5 x 0.5, C-mount camera mounts and locking screws for aperture and focus, Ricoh´s FL-BC family is a compact and reliable solution for applications using 9 megapixel cameras.

Japanese lens manufacturer Kowa has been a STEMMER IMAGING partner for many years. With the JC10M series, Kowa now offers new 10 megapixel high resolution lenses for machine vision that provide up to 200 lp/mm centre resolution and a low distortion to maximise the performance in high-end inspection systems. Incorporating Kowa´s wide-band coating and floating mechanism system, the JC10M lens series greatly reduces chromatic aberration from close distance to infinity and maintains a high transmission from visible to NIR.

The series’ short minimum object distance and the compact design with aspherical lenses allow for easy installation in compact machine vision systems. JC10M covers five models with focal lengths from 5 to 25mm.

Tamron has announced the new M111 series of 12 MP lenses. These 1.1in format lenses feature an image-sided focal length of 50.0mm, an F1.8 aperture, a minimum pixel size of 3.1µm and a minimum object distance of 400 mm. The filter thread is M49 x 0.75. A C-mount with locking screws protects the lens from vibration faults. Further models of Tamron´s M111 series will be announced later in 2015.


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