Lens is a summicron 35mm v3 from 1975 I think. Great character in it.

There’s a program called raw photo processor 64 that’s an amazing raw converter. I haven’t used it in sometime but the files that are prepared and out put from there are cleaaannnn.

If you want to try out dehancer pro (which I use and honestly recommend) feel free to use “PictureRoom” for 10% off https://www.dehancer.com/shop/pslr/film