Professional Resolution Test Chart Two 9 Graduated Counter Current Gray Scales
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SineImage Cheap Professional Two 9-graduated Counter Current Gray Scales COLOR CAMERA GRAY SCALE TEST CHART
Two 9-graduated counter current gray scales are arranged on a gray background (D ≈ 0.75), the gray scales being graduated logarithmically (gamma = 0.45). The output of an optimally gamma-corrected camera yields two 9-graduated counter current linear step signals. The contrast range of the gray scales is 50:1.
The values of the 9-graduated gray scale are as follows:
The density values are based on a density of BaO4S= 0.
The test chart incorporates a super black cavity for the accurate adjustment of camera flare corrections and setting of black level. On both sides of the super black hole 4.5 and 5.5MHz bars with a contrast ratio of 7:1 are located. Above and below the gray scales there are additional markings for the 16:9 format.
About Us: Contact Information:
Contact Person: Clara Liu; Email: L001@3nh.com; Wechat & Whatsapp ID: +8613510310267; Skype: clara.3nh
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