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Eider GranadaThe product and the service was excelent. it came to colombia without many problems (just aduana problems)..supplier 100% recomenmed
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Josiah HallEverything was delivered in perfect condition. After assembly, I confirmed operation. Thank you for this product.
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Mihai PaunescuEverything went as expected and the product arrived in good condition. 3NH is a good supplier and I will definitely use them in the future.
Contact Person :
Melorae
Phone Number :
13925280965
Whatsapp :
+8613925280965
Photographic Paper Sineimage YE0194 Aliasing Test Chart 14MHz
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xProduct Details
Standard | ISO12233: 2014 | Category | Reflective |
---|---|---|---|
Ratio | 4:3/16:9 | Size | 1X,2X,4X |
Name | Camera Resolution Chart , Camera Lens Test Chart | ||
High Light | Photographic Paper Aliasing Test Chart,Sineimage YE0194 Aliasing Test Chart,14MHz Digital Camera Resolution Chart |
Product Description
Sineimage YE0194 Aliasing Test Chart
Brand: | Sine Image | Model: | YE0194 |
Size: | 280*210mm 240*180mm Can Be Customized |
Material: | HD photographic paper / Film |
Ratio: | 4:3 / 16:9 | Type: | Reflective/ Transmissive |
The YE0194 is designed for measuring aliasing.
The chart consists of eight rows of rectangular bars with the spatial frequencies of 1, 2, 4, 6, 8, 10, 12 and 14 MHz.
The chart consists of eight rows of rectangular bars with the spatial frequencies of 1, 2, 4, 6, 8, 10, 12 and 14 MHz.
Aliasing effects are moiré distortions caused by interferences of two rasters. Independent of the type of camera aliasing effects can arise by interferences of motive rasters and the TV line structure e.g. the well known venetian blind effect or textile stripe patterns.
CCD cameras have a special immanent aliasing problem caused by the spatial image sampling. The spectrum of the signal obtained at the camera output is compromised of a basic spectrum repeated around multiples of the CCD sampling frequency. The CCD sampling frequency depends on the CCD size and the number of the pixels per CCD width. For some high spatial frequencies of the image, the condition dictated by sampling theorem is not met, so that the basic spectrum and duplicated spectrum can be superimposed and give rise to inter-frequency beats. The result is moiré in the pictures.
Moiré visibility depends on the type of analyser, on the camera's low pass optical filtering and on the spatial frequency of the test pattern analysed.
The YE0194 consists of 8 rows of rectangular bars the spatial frequencies of 1, 2, 4, 6, 8, 10, 12 and 14MHz. To adjust the odd frequency values 3 to 13 the picture has to be zoomed in a way that it is limited by the respective markings (arrows) on the upper and bottom edge of the test chart. The frequency then refers to the row with the next lower even frequency each.
Measurement procedures can be made with a spectrum analyser or a wide-band video oscilloscope.
Model | CC5100/CC3100 |
Light source: | 5100K(5100K±200k) *4,3100K(3100K±200k) *4 |
Uniformity: | >95% |
Luminous Source: | 100 ~ 4400cd/m2 adjustable |
Illuminance: | 250 ~ 10000Lux adjustable |
Power supply: | AC230V 50/60HZ |
Lighting method: | High Frequency lighting method 20KHz |
Operating temperature: | 10~40℃ |
Operating humidity: | Below 80%(avoid dew) |
Major diameter dimension: | 38.5W*34H*15Dcm |
Luminance plane dimension: | 25W*19Hcm |
3nh standard camera color viewer transmission light box is to provide special lighting environment and high illumination uniformity, light continuous adjustable, etc functions. They are
suitable for 4:3 transmission test chart.
Reflective
Picture size WxH (mm) | ||
4:3 | 16:9 | |
A240 | 240x180 | 240*135 |
A280 | 280x210 | 280x157.5 |
Picture size WxH (mm) | ||
4:3 | 16:9 | |
D240 | 240x180 | 240*135 |
D280 | 280x210 | 280x157.5 |
D240 | D280 |
HC5100/HC3100 CC5100/CC3100 |
T259000 high illumination light box |
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