What about artificial lighting? I think it's equally valid to be purist as it is to accept post-processing as a part of the modern photographers toolbox. As l

What about artificial lighting? I think it's equally valid to be purist as it is to accept post-processing as a part of the modern photographers toolbox. As long as post-processed photos are presented as such, I think that's fine. Similarly, when an image is composited I think it should be presented as a composite, otherwise it really is like telling a lie.