New edition of iWE RAW editor: sensor Dynamic Range

Serguei Palto

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19-th edition of my iWE software can be downloaded from my Google folder at https://drive.google.com/drive/folders/1Hvx3-j_gHf5_2QMl78z0NO3JmZ_F4f3M?usp=sharing

There are two possible zip-files :

1. iWE_33-19 (libRaw-Snapshot-OM1).ZIP ; this version uses the latest snapshot of LibRaw library which supports OM-1 RAWs; this version, however, needs all the folders containing RAW files to be in English (ASCII symbols).

2. iWE_33-19 (libRaw-Release2020).ZIP; the latest release of the Libraw is used, but no OM-1 support because the release is from 2020; no limitations for the folder names in this case.

The new iWE edition has many improvements, but the most significant is that now one can analyze the dynamic range of the camera sensor. At the link given above there is a short video (iWE_forData_and_DynamicRange.avi), which explains simple steps on how to get statistical data and dynamic range automatically.

The details on how the dynamic range is evaluated are in the file "DynamicRange.pdf", which can be viewed at the mentioned reference.

Below is a screenshot illustrating the iWE view with the statistical data analysis. In the given example a sensor of Lumix G9 is analyzed, and one can see that the dynamic range for the green channel is 12.9 stops (right side at bottom).

e7808cf90c2c4926a40aa273c4608037.jpg
 

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