1. uncoated secrets
peeter marvet
media hacker

3. 1: contrast

9. 2: volume

28. 3: colorspace

29. ISOcoated vs uncoated

30. ISO 12647-2

31. paper

32. inks

33. dot gain

44. in RGB or CMYK?

46. 1.Original RGB from camera
2.Photographer’s adjustments
3.Size & paper related adjustments
1.Smaller = seems darker, less vivid
2.Uncoated, newsprint = less vivid
3.Size & screening = unsharp mask
4.preview with target ICC + paperwhite
4.Separation to CMYK
1.paper-specific ICC profile
2.perceptual intent for uncoated & news

53. 4: color separation

54. total ink limit 260%
GCR

56. 100% C
0% M
100% Y

57. 100% C
50% M
100% Y

58. 50% C
0% M
50% Y
50% K

59. GCR
50% 60% 70%

60. GCR
gray component
50% 60% 70%

61. GCR
50% 60% 70% 0% 10% 20% 50%

62. GCR
= 180% = 80%
50% 60% 70% 0% 10% 20% 50%

64. problems:
total ink limit 300%
UCR

65. colormanagement.org

69. 5: screening

71. 133lpi
(150lpi?)

72. 133lpi 175lpi

73. dot gain 18% -> 23%

76. dot gain +5%

77. 1: contrast
2: volume
3: color space
4: color separation
5: screening

78. Thnks!