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Sine Image YE0223 HDTV Gray Scale Test Chart for Camera Mobile Phone Lens Halftone Reproduction Testing (D = 0.75)

Sine Image YE0223 HDTV Gray Scale Test Chart for Camera Mobile Phone Lens Halftone Reproduction Testing (D = 0.75) thumbnail-1
Sine Image YE0223 HDTV Gray Scale Test Chart for Camera Mobile Phone Lens Halftone Reproduction Testing (D = 0.75) photo-1
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Brand Name:
Sine Image
Model Number:
YE0223
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Shenzhen Threenh Technology Co., Ltd.
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Port of Shipment:
Shenzhen, China
Delivery Detail:
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Brand Name Sine Image
Model Number YE0223

PRODUCT DETAILS

The YE 0223 is designed for evaluation of the halftone reproduction of electronic cameras. Two 13-graduated counter current gray scales are arranged on a gray background (D = 0.75), the gray scales being graduated logarithmically. Related to the densities of the gray scales: gamma = 0.45, related to the transmission values (brightness): gamma = 2.2, that being exactly the reciprocal value of gamma = 0.45. The output signal of a optimally gamma-corrected camera yields two 13-gratuated counter current linear step signals.

The contrast range of the gray scales is 200 : 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 0.21 62
4 0.30 50
5 0.40 40
6 0.51 31
7 0.63 23
8 0.78 17
9 0.95 11
10 1.15 7
11 1.41 4
12 1.77 2
13 2.35 0.5
 

The density of the white field between the gray scale is D = 0.05 (reflectance = 89 %).


Product Tags: Gray Scale Test Chart for Camera , Grayscale Test Chart for Camera

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Shenzhen Threenh Technology Co., Ltd.
Verified Business License
Business Type
Manufacturer
Year Established
1998
Factory Size
1,000-3,000 square meters
Annual Export Value
Above US$100 Million
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