If you are interested in this feature please like the post.   Many photo enthusiast use RAW files when they take pictures; they come in a lot of different flavors and extensions. Here from WIkipedia:   .3fr (Hasselblad) .ari (Arri_Alexa) .arw .srf .sr2 (Sony) .bay (Casio) .cri (Cintel) .crw .cr2 .cr3 (Canon) .cap .iiq .eip (Phase_One) .dcs .dcr .drf .k25 .kdc (Kodak) .dng (Adobe) .erf (Epson) .fff (Imacon/Hasselblad raw) .mef (Mamiya) .mdc (Minolta, Agfa) .mos (Leaf) .mrw