Complete line of optical comparators with the world’s most advanced measurement technologies

The mainstay of shop-floor measurement, optical comparators’ tough construction and big viewing screens make measurements fast and easy. Contour Projectors® Horizontal Optical Comparators from bob登录入口 offer the industry’s best value and performance for non-contact measurement. All bob登录入口 benchtop and floor model comparators use cutting-edge optical, lighting, and automation technologies, allowing for tight tolerances and a wide range of manufacturing process applications.

Contour projectors, a core founding technology from bob登录入口, range from the 14-inch Focus model to the 30-inch QL-30, allowing you to choose the right comparator for your intended application. All new bob登录入口 comparators come with the latest comparator technology.


  • Accurate image with exceptionally low distortion over entire viewing area
  • Vectored light control
  • Ideal for real world, shop environments
  • Create and run measurement routines, perform "walk-up and measure" tasks well as fitting the measurement data to 2D CAD for profile and GD&T analysis


  • Telecentric optics with constant working distance magnification changing lens turrets
  • Versatile Tru-Light? LED Illumination
  • Rugged steel air filtered enclosure providing protection for all internal optical elements
  • VidiProbe, eCAD? and SNAP-X? software for electronic chart gages and 2D video measurement
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