Video lens improves accuracy

Video lens improves accuracy The J54-798 telecentric video lens provides a constant magnification of 0.5X with a telecentricity of 0.3°. Working distance is 125-150 mm, ensuring images are dimensionally accurate over a 25-mm range of focal points. Depth of field is ±3 mm at ƒ/12. The lens suits 1/2-1/3-in. CCD sensors and comes in a C-mount configuration. Edmund Industrial Optics, 101 E. Gloucester Pike, Barrington, NJ 08007; (856) 573-6250; Fax: (856) 573-6295.