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Download ePaperPress PTLens 8.9.0.7 Standalone and Plugin


PTLens is Windows software that corrects lens pincushion/barrel distortion, chromatic aberration, and vignetting. PTLens is available as a standalone application or Photoshop plug-in. Both the standalone application and plug-in versions of PTLens run under Windows 2000 or later with a monitor resolution of at least 1024x768 (DPI 96). The plug-in version works with Photoshop version 6 and above and all versions of Photoshop Elements. Although PTLens is compatible with Paint Shop Pro and Irfanview, camera make, model, lens, and focal length must be manually specified as they do not furnish EXIF information to plug-ins.
PTLens is the first application to automate the distortion correction. It all started August 20, 2002, when a group of news shows:
"I need a program with batch processing that reads the EXIF information from JPEG
file, find the closest match in the table, and automatically corrects distortions. "
No one answered, and September 19, 2002, Thomas Niemann released version 1.0 PTLens. Several years of work and 30,000 lines of source code of a simple DOS program with the launch from the command line later became PTLens application and Photoshop plugin that corrects the distortion, vignetting, chromatic aberration, and perspective. "Table" is made up of more than 2,500 individual calibrations - it's much more than in any other application ...
To date PTLens - the first and the best program for the correction of distortions (geometric distortion) introduced by imperfect optics camera lenses have the ability to control white balance.
The program uses the raw data from the EXIF, which simplifies the setup for non experienced users. EXIF if damaged, is not complete or not, it is possible to manually specify the brand of camera and lens (if removable). PTLens familiar with many models of cameras and interchangeable lenses, an extensive database on the lenses. A complete list of supported profiles can be found here.
PTLens will be extremely useful both for beginners and for professional photographers.
Key features PTLens:
Automatic distortion optics
Elimination of gradualness, barrel, pincushion
Chromatic aberration
PTLens is software that corrects lens pincushion/barrel distortion, vignetting, chromatic aberration, and perspective.
The following languages are supported: Bulgarian, Catalan, Chinese (PRC), Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, Greek, German, Hungarian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovenian, Spanish (Spain), Swedish, and Turkish.
Profiles for Cameras with Fixed Lenses
If an entry indicates JPEG: no distortion then no correction is necessary for JPEG images. This is because distortion is corrected in camera's firmware and no calibration (or profile) is necessary. If the camera has the capability to shoot Raw images calibration will still be required as Raw images represent unprocessed sensor data. Calibrated profiles are based on images submitted by users.
With the advent of in-camera distortion correction some cameras are calibrated Raw only. These calibrations are suitable for raw converters that do not correct lens distortion.
vignetting.
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