2banaviator

IMG_6094

Close up of the Astrograph image projection screen. The light resides behind the glass and projects the image of the star chart that is positioned across the glass lens. There is one star chart actually installed here, but you may not be able to see it as it is black print on clear acetate. The chart is pulled across the lens to reveal the next sky view in continuum by rotating the knobs on the side.

IMG_6094
2banaviator, Sep 20, 2016
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  • Album:
    Astrograph Type A-1 Kodak
    Uploaded By:
    2banaviator
    Date:
    Sep 20, 2016
    View Count:
    47
    Comment Count:
    0

    EXIF Data

    File Size:
    1.9 MB
    Mime Type:
    image/jpeg
    Width:
    3264px
    Height:
    2448px
    Aperture:
    f/2.2
    Make:
    Apple
    Model:
    iPhone 5s
    Date / Time:
    2016:09:20 18:59:32
    Exposure Time:
    1/30 sec
    ISO Speed Rating:
    ISO 100
    Focal Length:
    4.15 mm
     

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