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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 -
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
36 Sectors Camera Lens Test Chart SineImage YE0110 For Resolution / Sharpness Measurements
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xProduct Details
| Brand | SineImage | Usage | For Resolution And Sharpness Measurements |
|---|---|---|---|
| Light Source | Can Be Equiped With Light Box | Standard | ISO12233(2014) |
| Model | YE0110 | Diameter Center Mark | 5 Mm |
| High Light | camera resolution chart,camera lens test chart |
||
Product Description
SineImage YE0110 SECTOR STAR TEST CHART (36 SECTORS)
| Material | Film or HD photographic paper |
The test chart consists of 9 sector stars, distributed equally over the picture area. The unresolved center of the sector star is 10% of its outer diameter. Within the sector stars are two circular lines. The inner one marks a 625 line structure, the larger circular line marks a structure of 312 lines.
The test chart is designed for
·adjustment of camera lenses
·checking back focal distance
·checking resolution over the picture area
With the aid of a low transmission filter and by means of low level lighting make sure that the camera is not overmodulated with the aperture in the open position.
Optical focus: Adjust focus zoom lens at greatest focal length.
Back focus distance (lens): Adjust focus at shortest focal length by regulating lens mechanically with adjustment screw and optimize alternatively with a).
Back focal distance (pick-up tubes): If focus varies from channel to channel between greatest and shortest focal length, the individual pick-up tubes must be adjusted mechanically in the optical axis.
Select white channel. Set optical focus at greatest focal length. With shortest focal length and divergent focus adjust the pick-up tube in W-channel until optimum focus is achieved. If necessary optimize by alternating with optical focus adjustment.
With unchanged optical focus adjustment and shortest focal length adjust the red and blue pick-up tube until optimum focus is achieved. Image focus (focus adjustment) is maintained at all focal lengths (zoom-in) and constant distance from object by means of back focal distance adjustment.
Standard Transparent/Reflectance Test Chart Size
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Size Picture size(4:3) Picture size(16:9) Chart Size(16:9) A280 280*210mm 280*157.5mm 365*305mm D240 240*180mm 240*135mm 320*290mm D280 280*210mm 80*157.5mm 360*280mm - ISO 12233 Resolution Test Chart Size
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Model Specification Size Material NQ-10-50A 0.5X 10x17.8 cm photographic paper NQ-10-100A 1X 20x35.6 cm photographic paper NQ-10-200A 2X 40x71.1 cm photographic paper NQ-10-400A 4X 80x142.2 cm photographic paper NQ-10-800A 8X 160x284.4 cm photographic paper
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