About 1888, this Philadelphia-based manufacturer developed the first widely available halftone screens used by photoengravers and screen makers to prepare film positives. The company is still in business in Philadelphia, producing a wide range of products including:
Measuring Devices:
- Microrules
- Microscales
- Grid and Dot Arrays
- Magnifiers and Comparators
- Microscopes
- Reticles
- Comparator Charts and Scales
- Gray Scale Targets
- USAF and Standard Targets
- DOF and MTF Targets
- Machine Vision Scales
Machine Vision Targets:
- Grid and Dot Arrays
- Reticles
- USAF and Standard Targets
- Ronchi Rulings
- Fluorescent Targets
- Ronchi Slides
- Distortion Targets
Vision and Robotics Tools:
- Grid and Dot Arrays
- Magnifiers and Comparators
- Microscopes
- Reticles
- Gray Scale Targets
- DOF and MTF Targets
- Ronchi Rulings
- Fluorescent Targets
Resolution Targets:
- Grid and Dot Arrays
- Gray Scale Targets
- USAF and Standard Targets
- DOF and MTF Targets
- Ronchi Rulings
- Variable Frequency Targets
- Ronchi Slides
- Distortion Targets
Specialty Products:
- Calibration Grids
- Diamond Machining
- Electroforming
- Fine Line Flex Circuitry
- Photomechanical Etching
Calibration Services:
- Calibration for Rules and Scales
- Calibration for Grid and Dot Arrays
[button link=”http://www.maxlevy.com” color=”red” newwindow=”yes”] Click Here to visit Max Levy Online[/button]