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Quality Back Focus Optical Resolution Test Chart SineImage YE0220 For Camera Lenses factory
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Quality Back Focus Optical Resolution Test Chart SineImage YE0220 For Camera Lenses factory
Quality Back Focus Optical Resolution Test Chart SineImage YE0220 For Camera Lenses factory
>

Back Focus Optical Resolution Test Chart SineImage YE0220 For Camera Lenses

Brand Name: SineImage
Model Number: YE0220
Place of Origin: Beijing, China
Certification: CE&RoHS&TUV&FCC&ISO9001
Minimum Order Quantity: 1pc
Supply Ability: 1000pcs/month
Tags

camera lens test chart

camera resolution chart

camera test chart

Product Details

Brand: SineImage Usage: For Resolution And Sharpness Measurements
Light Source: Can Be Equiped With Light Box Standard: ISO12233(2014)
Model: YE0220 Diameter Center Mark: 5 Mm
Highlight

camera resolution chart

,

camera lens test chart

Product Description

SineImage YE0220 Back Focus Test Chart for Camera Lenses

 

 

Model

YE0220

Type

Reflectance/Transparent

Format

Custom Designs

Ratio

4:3
Material Film or HD photographic paper 
 
The Sineimage YE0220 back focus test chart is designed for adjustment of camera lenses and checking back focal distance. It consists of a large Siemens star in the center an four smaller ones positioned in the corners of the test chart.
 
With the aid of a low transmission filter and by means of low level lighting make sure that the camera is not over modulated with the aperture in the open position.
 
a) Optical focus: Adjust focus at shortest focal length.
 
b) Back focal distance (lens): Adjust focus at shortest focal length by regulating lens mechanically with adjustment screw and optimize alternatively with a).
 
c) 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. 
 
1. Select white channel. Set optical focus at greatest focal length. With shortest focal length and divergent f ocus adjust the pick-up tube in W-channel until optimum focus is achieved. If necessary optimize by alternating with optical focus adjustment.
 
2. 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 (zoomin) and constant distance from object by means of back focal distance adjustment.
 

 

 

Remark: We support Any customized test charts only if you have high resolution image and size.

  1.  

Standard Transparent/Reflectance Test Chart Size

  1. 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
  2. ISO 12233 Resolution Test Chart Size
  3.  
  4. 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

 

Remark: We support Any customized test charts only if you have high resolution image and size.

 

About Us:

Back Focus Optical Resolution Test Chart SineImage YE0220 For Camera Lenses 0

Product Highlights

SineImage YE0220 Back Focus Test Chart for Camera Lenses Model YE0220 Type Reflectance/Transparent Format Custom Designs Ratio 4:3 Material Film or HD photographic paper The Sineimage YE0220 back focus test chart is designed for adjustment of camera lenses and checking back focal distance. It ...

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