I have to admit, libraw would probably work for loading the raw data itself, but I did not test it. Thumb_format = LIBRAW_INTERNAL_THUMBNAIL_PPM Sinar IA files are also supported by libraw: void LibRaw::parse_sinar_ia() The emotion backs are listed as supported but for the life of me, when I looked into this almost a year ago I could only get it to load the thumbnail data from the image, not the actual raw itself, which was pretty odd. In theory, Sinar CaptureFlow is the latest software from Sinar for their digital backs, supporting the Leica S3 based S30|45 digital back. For while, I was using UTM/QEMU to host an emulated x86 MacOS on my M1Max Macbook to run emotionDNG, but this was really too annoying (for me) to be usable. Finally, there was the excellent emotionDNG tool freeware that converted Sinar. Sinar also had other software that supported the back, eXposure, which is also 32 bit and Mac only. For the emotion 22 back featured in this article, the last piece of software to support it fully was CapureShop 6.1.2, which is 32 bit and Mac only, so good luck running it on a modern Mac. The downside of course is that most of the older Sinar Digital backs use unqiue and proprietary software to process their raw files into usable images.
This lets you use the same digital back on everything from a Mamiya 645 Pro (or AFD too!) to a DW-Photo Hy6 Mod 2/1: Hy6 mod 2/1 with a Sinar emotion 75LV attached. One common theme about Sinar backs, and the reason why a have a few, is that nearly all of them are designed with the ability to swap the camera mount for a different manufacurers camera body. Sinar has been producing digital backs since 1998 with the introduction of the Sinarback - see for more info/history! Though they came up with that in 2010, so the original Swiss founders back in 1948 probably were not thinking of that. Allegedly, this name stands for "Still, Industrial, Nature, Architectural and Reproduction photography".
One of the more unique camera manufacturers, Sinar has been in business since 1948. Update: Open Source as of : Okay, So Why Though? Probably I will open source the command line + GUI app as well at some point. I reverse engineered the raw format for Sinar emotion digital backs, and created a python GUI tool to convert them to DNGs: 12 min read Image Processed with IAtoDNG then Capture One 22 | Rollei Hy6 mod 2/1 | Sinar Emotion 75LV.
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