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CERTIFICATE OECF Chart YE0270X Resolution Test Target 20 Gray Patches Chart for Dynamic Range Noise Checking

    Buy cheap CERTIFICATE OECF Chart YE0270X Resolution Test Target 20 Gray Patches Chart for Dynamic Range Noise Checking from wholesalers
     
    Buy cheap CERTIFICATE OECF Chart YE0270X Resolution Test Target 20 Gray Patches Chart for Dynamic Range Noise Checking from wholesalers
    • Buy cheap CERTIFICATE OECF Chart YE0270X Resolution Test Target 20 Gray Patches Chart for Dynamic Range Noise Checking from wholesalers

    CERTIFICATE OECF Chart YE0270X Resolution Test Target 20 Gray Patches Chart for Dynamic Range Noise Checking

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    Brand Name : 3nh
    Model Number : YE0270X
    Certification : CE / FCC/ ROHS / TUV / ISO9001:2015
    Price : Negotiable
    Payment Terms : T/T, Paypal, Western Union, Credit Card
    Supply Ability : 5000pcs per month
    Delivery Time : 3 working days
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    CERTIFICATE OECF Chart YE0270X Resolution Test Target 20 Gray Patches Chart for Dynamic Range Noise Checking

    CERTIFICATE OECF Chart YE0270X

    The YE0270X chart is similar to the YE0264 but now has two polarizing filters in the center of the chart. This feature is important for cameras that do not allow a manual adjustment of the exposure because the automatic exposure control (AEC) is fooled by modifying the density (transmission) of the central part of the test chart. Low-end cameras and mobile phone camera systems often do not have a manual exposure adjustment.


    The gray patches on the YE0270X chart are made from continuous tones and material without any raster. This design is necessary for cameras with a high pixel count that don’t have manual exposure adjustment.


    YE0270X version 2 (V2) uses the same data measurements as the original version, but has a different hardware design. The first version of the YE0270X uses two plates of glass built around the chart film. On occasion we encountered a few problems with stray light and reflections from the glass. Version 2 replaces the glass with a metal frame, which greatly reduces the chance of stray light and reflections.


    Specifications

    Product nameYE0270X
    PrincipleTransparent gray scale test chart with variable center density to determine the OECF,noise, SNR and dynamic range of cameras that only offer auto-exposure and autofocus functions (e. g. mobile devices)
    Types of patterngray scale, circular arranged (most optical systems are rotationally symmetric so all patches will be affected in the same way by shading)
    Contrast10,000:1 (80 dB, 13 f-stops)
    Number of steps20
    Arrangement of stepsaccording to ISO 14524
    Values that can be gathered from analysis

    •OECF / gamma curve

    • dynamic range

    • noise

    • temporal noise

    • visual noise

    • SNR

    • ISO speed of the camera

    Typetransmissive
    Aspect ratio16:9 (can be used for other aspect ratios without restrictions)
    Chart size320*290mm
    Picture size240*135mm
    Materialphotographic film
    Standards

    ISO 14524:2009 Methods for measuring opto-electronic conversion functions (OECFs) (YE0269A V2 only)

    ISO 15739:2013 Noise measurements

    ISO 12232:2006 Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index


    Suzie Xia
    International Sales Dept.
    --------------------------------------------------------------------------------
    Shenzhen ThreeNH Technology Co., Ltd
    Add: 4/F, Building 8, Nangang Second Industry Zone, Xili, Nanshan District, Shenzhen, 518055 China.
    Tel: 0086-755-27198826 Ext: 601
    Fax: 0086-755-27190609
    Mobile/WhatsApp/Wechat: 0086-13510878132
    Email: y@3nh.com
    Skype: y@3nh.com
    Website: http://www.3nhq.com/

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