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Sineimage YE0153 Gray Scale Test Chart (11 steps)

Sineimage YE0153 Gray Scale Test Chart (11 steps)ModelYE0153TypeReflectance/TransparentSize280 x 157.5mm(A280 D240)Ratio4:3MaterialFilm or HD photographic paperThe YE0153 grayscale test chart is designed for evaluation of the halftone reproduction o
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Date:2019-08-14  Browse:
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Sineimage YE0153 Gray Scale Test Chart (11 steps)

 

Model

YE0153

Type

Reflectance/Transparent

Size

280 x 157.5mm(A280 & D240)

Ratio

4:3

Material Film or HD photographic paper 
 

ye0153 grayscale test charts

The YE0153 grayscale test chart is designed for evaluation of the halftone reproduction of electronic cameras. Two 11-graduated counter current gray scales are arranged on a gray background (D=0.75), the gray scale being graduated logarithmically. 

Related to the densities of the gray scales: gamma = 0.45

Related to the reflectance values (brightness): gamma = 2.2 , that being exactly the reciprocal value of gamma = 0.45.

The output signal of an optimally gamma-corrected camera yield two 11-graduates counter current linear step signals. The contrast range of the gray scales is 40 : 1.

 

The values of the 11-graduated gray scale are as follows:

Step Density Reflectance in %
1 0.05 89
2 0.13 74
3 0.22 60
4 0.32 48
5 0.43 37
6 0.55 28
7 0.69 20
8 0.88 13
9 1.06 8
10 1.31 5
11 1.65 2


The density values are based on BaSo4 = 0. Two black fields and a white field are located between the gray scales, the density of the black filed is D > 2.4 (reflectance < 0.5 %). The density of the white filed is D = 0.05 (reflectance = 89.9 %).

 

Remark: We support Any customized test charts only if you have high resolution image and size.
 
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