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  1. #1
    M.A.Longmore's Avatar
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    There Is An App For That ?

    .

    Pinhole Assist, can be found in the iTunes App Store !

    Ron
    .

  2. #2
    SMBooth's Avatar
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    Looks OK, pity you cannot store different reciprocity curves, not lots just a few films. It says you can adjust set curve but couldn't fond out how.

  3. #3
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    There Is An App For That ?

    Quote Originally Posted by SMBooth View Post
    Looks OK, pity you cannot store different reciprocity curves, not lots just a few films. It says you can adjust set curve but couldn't fond out how.
    (I am the developer of the app) I just wrote the web page about custom curves yesterday. You will find there explanations: leborddelapiscine.blogspot.com
    Alternatively, If you have trouble, send me your data, I will write the file for you.

    Regarding your request for differents curves,: Yes it is planned. In fact, there are 4 curves already integrated in the app, but there are hidden (lack of time for building the interface). Next major release will include these predefined curves and user curves.

  4. #4
    SMBooth's Avatar
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    Thanks for that I'll give it a go, but the question is were do you fing that file in iTunes? . It looks like there is just a look up table to set the values in, is that a correct understanding? I like the ability to off set the lightmeter reading so to calibrate it.

  5. #5
    pinholic's Avatar
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    Quote Originally Posted by SMBooth View Post
    Thanks for that I'll give it a go, but the question is were do you fing that file in iTunes? . It looks like there is just a look up table to set the values in, is that a correct understanding? I like the ability to off set the lightmeter reading so to calibrate it.
    THat's two questions :

    Answer 1 : to calibrate the cell, open the "settings" app (first screen of the springboard) you will find one entry labeled "pinhole assit". You can adjust the cell there.

    Answer 2 : For changing the table values, open itunes; select your iphone/ipod. On the "Apps" settings, below the part where you can check/uncheck your azpp on the iphone, there is a list with app. Look for pinhole assist there. Clic on it. The file is displayed on the left. (see there http://leborddelapiscine.blogspot.co...chart-for.html )

    My iTunes looks like that ( in french : replace "Assistant Sténopé with "Pinhole Assist") :



    All this is detailled (with screenshots) in the "help" of the app ( circled (i) on bottom right on the main screen (I can't post the bitmap, it is too large).
    Last edited by pinholic; 10-06-2011 at 01:55 PM. Click to view previous post history.

  6. #6
    limnidytis's Avatar
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    I tried the app but measurement with the camera always results in 0 ev.
    Attached Thumbnails Attached Thumbnails ImageUploadedByTapatalk1318006056.004842.jpg  

  7. #7
    pinholic's Avatar
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    Quote Originally Posted by limnidytis View Post
    I tried the app but measurement with the camera always results in 0 ev.
    Definitly, there is a problem. The strange point is that the video is ok, but the program seems to fails to read the exif data.
    Thank you for reporting the problem. I need some more information:

    - What is your iPhone/iPod model ?
    - What iOS version do you have ?

    --> maybe we can continue on private mail.
    Last edited by pinholic; 10-07-2011 at 01:36 PM. Click to view previous post history.

  8. #8
    Romary's Avatar
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    Android?

  9. #9
    pinholic's Avatar
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    An update to Pinhole asist is available. It should cure the problem you have, limnidytis.

    In addition (the following text is an excerpt of the update information) :
    * BETTER CELL ACCURACY,
    * BETTER INDICATION OF LONG EXPOSURES,
    * SUPPORT FOR HARMAN TiTAN CAMERA (f:206, 250 and 288),
    * ADDED DIAPHGRAM VALUES OF 2,4,8,16 for calibrating purpose (use these value to compare measure with your "classical" camera".
    * ADDED RATINGS SUPPORT

  10. #10
    pinholic's Avatar
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    With Pinhole Assist 1.5 now supporting multiple reciprocity charts, new charts were expected. Here they are.

    A chart adapted from Jim Shull's The Hole Thing (the one I currently used for films)
    Several charts derived from formulas by Gadget Gainer on APUG forums :
    400TX
    TMX
    TMY
    HP5+
    100 Delta
    Several chart derived from formulas originating from Without Lenses website
    T max 400
    T max 100
    TRiX & Plus 125
    Ilford films
    A chart for Ilford films

    free download here : http://leborddelapiscine.blogspot.co...r-pinhole.html



 

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