{ // Quality C, correction for frame width, color matrix measured on a DP1 sample ..
        "make_model": [ "Sigma DP1 Merrill", "Sigma DP2 Merrill", "Sigma DP3 Merrill" ],
        //"dcraw_matrix": [ 2149,1003,-530,-494,6073,344,-3935,10665,3608 ], // experimental, inverted icc DP1_Merrill_dpreview_daylight WP1.2
        "dcraw_matrix": [ 2517,1175,-621,-587,7080,404,-4677,12402,4231 ], // experimental, inverted icc DP1_Merrill_dpreview_daylight WP1.4
        "ranges": { "black": 16, "white": 4070 }, // BL is 16 or 31, should be measured at the horizontal black stripe at the bottom
        "raw_crop": [ 12, 0, -110, -62 ] // for small size all numbers/2
    },

    { // Quality C, only raw crop for now - see #3858
        "make_model": "Sigma sd Quattro",
        "raw_crop": [ 200, 74, 5632, 3698 ]
    }