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Support > FAQ

Q: Are you the manufacturer?
A:
Yes, we are Sine Image manufacturer from China. We make all kinds of test charts, and also customize charts according to customers' requirement.

Q: Can you make customized chart?
A:
Yes, we can. Only tell us your requirment or special drawings, then we can make it for you.

Q: How long is Delivery Time?
A:
Stock charts: 2-3 working days after payment.
Customized charts: 1-2 weeks after payment.

Q: Why choice us?
A:
Professional company, professional R&D team, advanced technician, imported precision machine, high quality, low price.

Q: What is image quality?
A:
Image quality is an attribute of an image that measures the perceived degradation by the camera system, usually compared to an ideal or perfect image.

Q: How long should I let my lighting systems(reflective and transmissive) warm up before I start using them for testing?
A:
As a good rule of thumb, we recommend letting your lighting systems warm up for at least 20 minutes before testing.  This will give the lights enough time to achieve equilibrium and a color-stable condition.

Q: What image quality metrics can you measure?
A:
Image quality metrics we can measure: Sharpness (MTF), Distortion, Noise, Lateral Chromatic Aberrations, Tonal Response, White Balance, Dynamic Range, Color Accuracy, Lens Shading/ Vignetting, Response Time, Flash Uniformity, and more. Contact us for more information on how we can assist you with any of your image quality needs.

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