1870 Leaf Mosaic Raw Image Image (Raster) MOS is the raw image format created by some models of Mamiya Leaf camera equipment. The format is based upon the Tagged Image File Format. 227 Historic Environment Scotland / Historic Environment Scotland 13 Jul 2017 13 Jul 2017 fmt/1063 PUID mos File extension 1437 Leaf Mosaic Raw BOF: Tiff big endian header 'MM' 0x002A {4-36864} 'PKTS' 0x00000001 1 Absolute from BOF 0 0 4D4D002A{4-36864}504B545300000001 Has priority over 1099 Tagged Image File Format