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Starrett Optical Comparator HD400

Product Details

HD400 dual lens horizontal benchtop optical system offers a 16" screen, 16"X-axis travel with fast traverse, quick change dual lens mount, Q-axis angular readout, a digital protractor for angle measurements to 1' resolution and optional CNC control. They are simple to use, yet have excellent capacity and performance to satisfy complex measuring requirements.


  • Large measuring travel for HD400 16" X-axis, 6" Y-Axis (405mm x 150mm)
  • Dual lens slide providing an ultra-quick lens change
  • One third more X-axis travel than HB400
  • Larger top plate area
  • Fully Usable 16" (400mm) Screen Diameter
  • Exceptionally stable, all metal construction for optimum performance and accuracy
  • High precision workstage with 21.25" x 5" top plate, with two machine slots for easy fixturing
  • 100lb Stage weight capacity
  • Dual mirror design for vertically correct image
  • Available with the full range of Quadra-Chek readout systems & Metlogix readout systems
  • Digital protractor for accurate angle measurements, 1' resolution
  • ±15° Workstage helix adjustment for accurate thread form inspection
  • Fine adjustment on all axes, plus zero backlash, fast traverse mechanism on the X-axis
  • Fully retractable fiber optic surface illumination with heavy-duty shielding
  • Automatic edge detection option
  • Motorized and CNC workstage options
  • Dual lens mount with slide action for quick magnification changes on HD400

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