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AccuFiz High Resolution

6 MP High resolution to measure aspheres and steep slopes.

The highest available resolution for measuring steep slopes, aspheric surfaces and small diameter optics. 

4D Technology AccuFiz 6MP High Resolution Laser Interferometer

The added resolution makes it possible to measure surface shape earlier in the manufacturing process and to capture polishing marks despite high fringe counts. Measure spherical/aspherical optics and molds with unprecedented accuracy. Use the AccuFiz 6MP’s high pixel density and optional High Power Alignment Laser for accurate measurement of smaller optics.

A range of laser sources, aperture sizes, mounting components and accessories provides flexibility for a wide range of applications and budgets. Optional dynamic mode lets you measure despite vibration and air turbulence, without an air table.

The AccuFiz 6MP laser interferometer provides the highest available resolution for measuring steep slopes, aspheric surfaces and small diameter optics. Its 2400 x 2400 pixel sensor doubles the measurable spatial frequency range and quadruples the sampling capability of standard Fizeau interferometers.

AccuFiz 6MP Specs

Configuration Fizeau interferometer
Acquisition Temporal phase shifting; optional vibration-insensitive Dynamic
Wavelength 632.8 nm
Aperture 100 mm (4 in); optional to 600 mm (24 in)
Camera 6MP, 12-bit
Controls Remote control focus, zoom, pan, extended source size, measurement
Zoom Continuous 1–10X  with pan, calibrated at all zoom settings
Software 4Sight™ Focus included
Size Small, 51.4 cm (20.2 in) long
Reflectivities 1 – 100%
Fizeau inteferometer remot control

Remote Control

Control the AccuFiz Fizeau interferometer with a touch screen device.

dynamic Fizeau interferometer uses the polarization of light to measure all data simultaneously

Vibration insensitive

Optional Dynamic Interferometry for measurement on the shop floor or in a clean room, despite vibration, without isolation.

Fizeau interferometer mounts and optics

Full range of options and accessories

Designed for flexibility, the AccuFiz family includes a range of laser sources, aperture sizes, mounting components and accessories.

Fizeau interferometer extended source

Adjustable Extended Source

The industry’s only adjustable extended source reduces coherent artifacts for extremely low measurement noise. 




Introducing 4Sight Focus

The all-new 4Sight Focus analysis software—included with all 4D interferometers and optical profilers—provides blazing fast acquisition, rich visuals, and a wealth of analysis features.

  • Fast acquisition and analysis
  • Clean, configurable interface
  • Simple to learn
  • Deep analysis capabilities
  • Easy data output
  • Smart integration and automation.
4Sight Focus Customizable Interferometer Analysis Software

Fizeaus and optical production

AccuFiz Fizeau interferometers are well suited to optics manufacturing.

Added Technical Resources


Setting the Wedge Factor Tech Note

The Wedge Factor scales results to account for the geometry of an optical test setup. This tech note explains how to set the parameter for measuring wavefront error and surface height in common configurations.

Get In Touch

(520) 294-5600


3280 E Hemisphere Loop, Ste 146
Tucson, AZ 85706


Office Hours (Arizona Time)

Mon: 8am - 5pm
Tue: 8am - 5pm
Wed: 8am - 5pm
Thur: 8am - 5pm
Fri: 8am - 5pm
Sat: Closed
Sun: Closed

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