Iridient O-Transformer
Iridient O-Transformer


Iridient O-Transformer free download for Mac

Iridient O-Transformer

16 January 2020

Olympus ORF and ORI to DNG converter.


Iridient O-Transformer is a utility that can be used to convert Olympus ORF and ORI images to DNG format using Iridient Digital's high quality RAW processing algorithms. Much of the core RAW processing, sharpening, noise reduction and lens corrections featured in this program are shared with Iridient Developer a more full-featured RAW processor that is available only for macOS.

The Iridient RAW processing routines have been in active development over 14 years for use in Iridient Developer and have been optimized and refined over the years for the best possible image quality. Iridient Developer is widely regarded as one of the highest quality RAW processors available.

The key RAW processing stages that can be applied by Iridient O-Transformer during conversion to DNG include:

  • Interpolation or demosaic processing. This transforms the camera sensor's Bayer color filter information to produce a full color RGB image. This processing is always applied by Iridient O-Transformer and cannot be disabled or undone. There are two interpolation options, one for a more detailed rendering and a second smoother, lower artifact version. The algorithms are identical to the latest "detail+" and "smooth" options in Iridient Developer 3.3.5.
  • Sharpening. Iridient O-Transformer features advanced sharpening based on the very highly regarded "Iridient Reveal" sharpening algorithms featured in Iridient Developer. Sharpening is optional and can be adjusted (low/med/high) or disabled.
  • Automatic lens corrections for distortion, chromatic aberration, and vignetting. Corrections are based on native Olympus lens information specified in their ORF metadata. The lens correction stage is optional and lens correction information can also be passed on through DNG opcode metadata and left to later processing stages or ignored altogether. The lens correction processing in Iridient O-Transformer uses the same high quality resampling algorithms as Iridient Developer.
  • Color and luminance noise reduction. The noise reduction processing in Iridient O-Transformer shares much in common with the latest noise reduction available in Iridient Developer and is specifically optimized for RAW image processing. Noise reduction is optional and can be adjusted (low/med/high) or disabled.

What's new in Iridient O-Transformer

Version 1.6.2:
New Features:
  • Added metadata to force Adobe Lightroom/ACR CC 2018 or later to use the embedded DNG camera profile by default rather than Adobe Color.
  • Added new option to the default camera profile menu to use "Adobe Color" in Adobe Lightroom/ACR CC 2018 or later rather than the embedded DNG camera profile.
  • Updated camera calibration and profile information for models newly supported in Adobe's latest DNG Converter 12.1 update.
  • Updated to the latest version of the Adobe DNG SDK (1.5).
  • Updated to the latest version of the libjpeg-turbo library (2.0.4).
  • Updated to the latest version of the wxWdigets library (3.1.3).

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