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RE: Apple ADC24 uniformity test
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RE: Apple ADC24 uniformity test


  • Subject: RE: Apple ADC24 uniformity test
  • From: Roger <email@hidden>
  • Date: Mon, 07 Dec 2009 22:35:01 -0500

Here are some results that may not be as thorough as Peter's but speak for
themselves, nevertheless.

First, Viewing Conditions Report

TEST (ISO 3664): 	"Color monitors"

BabelColor CT&A Version: 	2.8.6 b201a
Date: 	2009-12-03
Time: 	10:39:13

_ _ _ _ _ _ _ _ _ _ _ _ _ 	_ _ _ _ _ _ _ _ _ _ _ _ _
LUMINANCE

Goal: 				"75 cd/m2 +"
Preferred goal: 			"Should be 100 cd/m2 +"

Position 	Lum.(cd/m2) 	P/F
Center     		162       	P
Upper-Left 		151       	P
Upper-Middle 	156       	P
Upper-Right 	148       	P
Middle-Left 	157       	P
Middle-Right 	152       	P
Lower-Left 		166       	P
Lower-Middle 	169       	P
Lower-Right 	171       	P

_ _ _ _ _ _ _ _ _ _ _ _ _ 	_ _ _ _ _ _ _ _ _ _ _ _ _
CHROMATICITY AND COLOR TEMPERATURE (CCT)

Note: 	"Chromaticity in CIE 1976 UCS units"
Note: 	"10 degrees Observer (CIE 1964)"
ISO 3664 Goal: 	"D65 (6504 K)"
User-selected White Point: 	"D50 (NOT as per ISO 3664)"
Chromaticity tolerance (u'v'): 	"0.0250 radius"
White Point reference (u'): 	0,2101
White Point reference (v'): 	0,4889

Position 	CCT_(K) 	u'      	v'      	u'_off
v'_off  	u'v'_radius 	P/F
Center     	4935    	0,2129    	0,4874    	0,0028
-0,0015    	0,0032    		P
Upper-Left 	4963    	0,2131    	0,4862    	0,0029
-0,0027    	0,0039    		P
Upper-Middl	4888    	0,2144    	0,4864    	0,0043
-0,0025    	0,0049    		P
Upper-Right	4862    	0,2150    	0,4862    	0,0048
-0,0026    	0,0055    		P
Middle-Left	4963    	0,2126    	0,4870    	0,0024
-0,0019    	0,0031    		P
Middle-Righ	4902    	0,2142    	0,4862    	0,0040
-0,0026    	0,0048    		P
Lower-Left 	5020    	0,2113    	0,4872    	0,0012
-0,0016    	0,0020    		P
Lower-Middl	5012    	0,2116    	0,4870    	0,0015
-0,0019    	0,0024    		P
Lower-Right	5044    	0,2117    	0,4859    	0,0015
-0,0030    	0,0033    		P

_ _ _ _ _ _ _ _ _ _ _ _ _ 	_ _ _ _ _ _ _ _ _ _ _ _ _
BRIGHTNESS UNIFORMITY

Note: 	"Determined relative to the center position as per ISO 12646"
Goal: 	"The luminance shall not be less than 90% of the luminance in the
center for the eight positions surrounding the center"
Preferred goal: 	"The luminance should not be less than 95% of the
luminance in the center for the eight positions surrounding the center"

Position 		Relative brightness
Center     		100%
Upper-Left 		93%
Upper-Middle 	96%
Upper-Right 	91%
Middle-Left 	96%
Middle-Right 	93%
Lower-Left 		102%
Lower-Middle 	104%
Lower-Right 	105%
P/F:     		P

Second, comparison with SWOP2006_C3, for monitor certification:

PatchTool IT8.7/4 Monitor Proofing Certification Report

Date: 	"2009-12-03"
Time: 	"16:16:07"
Version: 	"2.7.0 b173"

REFERENCE
Name: 	"SWOP2006_Coated3.txt"
Data_type: 	"XYZ"
Illuminant_used_to_compute_the_Absolute _Colorimetric_XYZ_data:
"D50"
Observer: 	"2 degree (fixed)"
SOURCE_profile: 	"L*a*b* D50 / PCS"
DESTINATION_profile: 	"ACD24"
Rendering_intent: 	"Absolute Colorimetric"
Black_Point_Compensation: 	"NO"

SAMPLE
Name: 		"Display measurements"
Data_type: 		"spectrum"
Instrumentation: 	"Eye-One Pro"
Instrument_SN: 	"600794"

CERTIFICATION-SETTINGS
Certification_type: 	"Monitor"
Chart_type: 		"IT8.7/4"
Delta-E*_formula: 	"CIELAB"
Illuminant: 		"D50"
Observer: 			"2 degree"
L*C*H*_weighted: 		"NO"

CERTIFICATION-RESULTS

CRITERIA    	PATCH	MEAS.	P/F	REQUIREMENT

Luminance   	WP	158,4	Pass	160 cd/m2 plus or minus 10 cd/m2

Average_error	ALL	1,44	Pass	Average Delta-E* smaller or equal
to: 2,00
95th_perc.  	ALL	3,18	Pass	95th perc. Delta-E* smaller or equal
to: 6,00

Solid_Cyan  	1287	3,38	Pass	Delta-E* smaller or equal to: 7,00
Solid_Magenta	1307	1,10	Pass	Delta-E* smaller or equal to: 7,00
Solid_Yellow	1327	1,52	Pass	Delta-E* smaller or equal to: 7,00
Solid_Black 	1347	1,07	Note	Delta-E* smaller or equal to: 7,00

Overprint_Red	657	0,97	Pass	Delta-E* smaller or equal to: 7,00
Overprint_Green	721	1,51	Pass	Delta-E* smaller or equal to: 7,00
Overprint_Blue	81	0,90	Pass	Delta-E* smaller or equal to: 7,00

50/40/40_L*	1611	0,73	Pass	Absolute Delta-L* smaller or equal
to: 2,00
50/40/40_a*	1611	0,56	Pass	Absolute Delta-a* smaller or equal
to: 1,00
50/40/40_b*	1611	-0,05	Pass	Absolute Delta-b* smaller or equal
to: 2,00
Paper_White_L*	1367	0,74	Pass	Absolute Delta-L* smaller or equal
to: 2,00
Paper_White_a*	1367	0,75	Pass	Absolute Delta-a* smaller or equal
to: 1,00
Paper_White_b*	1367	0,46	Pass	Absolute Delta-b* smaller or equal
to: 2,00

Certification: 	PASS


/ Roger

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References: 
 >Re: Apple ADC24 uniformity test (From: "Bob Frost" <email@hidden>)
 >Re: Apple ADC24 uniformity test (From: Marco Ugolini <email@hidden>)

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