Home > Consumer Electronics > Photographic Apparatus > Digital Camera > Sine Image YE0165 11 Paths Gray Scale Card for Camera Mobile Phone Lens Halftone Reproduction Testing (D = 0.56)

Sine Image YE0165 11 Paths Gray Scale Card for Camera Mobile Phone Lens Halftone Reproduction Testing (D = 0.56)

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Sine Image YE0165 11 Paths Gray Scale Card for Camera Mobile Phone Lens Halftone Reproduction Testing (D = 0.56) photo-1
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Brand Name:
Sine Image
Model Number:
YE0165
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Shenzhen Threenh Technology Co., Ltd.
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Shenzhen, China
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Brand Name Sine Image
Model Number YE0165

PRODUCT DETAILS

The YE 0165 is designed for evaluation the halftone reproduction of 16:9 electronic cameras. Two 11-graduated counter current gray scales are arranged on a gray background (D ≈ 0.56), the gray scale corresponds to the ITU recommendation BT.709.

The output signal of an optimally gamma-corrected camera according to BT.709 generates two counter current, linear step signals.

The contrast range of the gray scale is 40 : 1.

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

Step Density Remission in % Video signal for BT.709 in % Video signal for gamma 0.45 in %
1 0.05 89 100 100
2 0.13 74 91 92
3 0.22 60 82 84
4 0.32 48 73 75
5 0.43 37 64 67
6 0.56 28 55 59
7 0.70 20 46 51
8 0.88 13 37 43
9 1.08 8 28 35
10 1.34 5 19 26
11 1.64* 2 11 19

*The production process for reflective charts allow a maximum printed density of 1.64. The target value for the darkest step is 1.70. Therefore the distance of the last step differ slightly.

Two black fields and a white field are located between the gray scales. The density of the black fields in the middle is D > 3 (remission Recommended usage:

Adjust the aperture until the lightest patch reaches 100% video signal at the waveform monitor. With an optimally corrected camera according to ITU recommendation BT.709 the darkest patch will reach 10% signal level.

When using this chart with a gamma correction of 0.45 the video signal level for each step will change as listed in the table above.


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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