Any M42 fanatics around?

[heckflosse (Ingo Weyrich)]

M42 users: please also have a look at this issue and provide raw files if possible

Call for example raw files

Sometimes I use an old lens which in some situations has low contrast caused by internal reflections and probably old coating. For this reason I’m currently experimenting to improve the results using a very simple method on raw data. If someone has raw files shot using low contrast lenses like for example the one from first screenshot, I would be glad to get some raw files to test. Here are first results. Left without, right with the new very simple method. First screenshot was made using the…