Overview

The lens analysis utility is the primary tool V-Ray supplies for creating, previewing, and editing of V-Ray lens files (*.vrlens), and contains a camera distortion analyzer, and a tool for correcting/distorting images. The VRLENS files can be used in 3ds Max, Maya etc. to provide realistic (measured) camera distortion (as opposed to the simple quadratic and cubic modes). The VRLENS format also supports zoom lenses, and the distortion parameters are linked to the focal length of the V-Ray Physical Camera. So, as the camera is zoomed in and out, the distortion parameters are automatically varied. This provides for a very realistic level of camera distortion simulation.


Location

The lens analysis utility can be accessed from the tools or bin folders located under C:\Program Files\Chaos\V-Ray\[host_application]. Additionally, it can be opened from Start Menu >[Host Application] > Lens Analyzer.


  • Windows: start the lens_analyzer executable from C:\Program Files\Chaos\V-Ray\Maya 20nn for x64\vray\bin\
  • Linux: start the lens_analyzer executable from /usr/Chaos/V-Ray/Maya 20nn-64/vray/bin/
  • macOS: start the lens_analyzer executable from /Applications/Chaos/V-Ray/Maya20nn/vray/VRay.app/Contents/MacOS

Note: 20nn is the Maya version.