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** Feb 19, 2014 Wonderful!! "This app is perfect for the pinhole photographer in the field. I love that I can save settings for all my cameras and recall them instantly in the moment. - Papskier"
*** So useful! May 26, 2013 "This takes the guesswork out of exposure calculation, since it turns your iPhone into a light meter and suggests the correct exposure! Works like a charm. Great app for pinhole photographers."
*** May 16, 2012 : "Pretty much the perfect app for pinhole", Gavin Lucas
*** March 26, 2012 "Pinhole photography - Great app! This will make pinhole photography much simpler to do", Zone v
*** November 28, 2011 "Great solution !! - Thank you for this Pinhole timing app. I have many different pinhole cameras and this will help me figure timing on all of them. Thank you !!Greg."



Version 4.1 (july 2016) :



Pinhole Assist will be your companion to argentic and numeric pinhole, and wet-plate collodion photography. The range of aperture and sensitivity (starting at 0.05 ASA ) allows for 40-years photo paper, wet-plate and slow processes as well as pinhole.


You can create film and set reciprocity curve from within Pinhole Assist. Crete new ones, or tweak existing ones.

Use iTunes (on Mac/PC) to import/export access the films you created, or exchange them via email m curves (Go to the app Web Site for instructions)

Light measurement is only available on devices with camera. However, the manual setting allows you do do estimation with text indication, or use an external cell.


Any other camera can be accommodated.

Go to the Settings to :


Disclaimer: this is not a camera app: it does not take picture. This is a sophisticated exposure calculator to take argentic (ou DSLR) shots with an pinhole camera.



List of predefined cameras

List of predefined films

Pinhole Assist is for iPads, iPods touch (with or without camera) , iPhone from 3GS to the latest
The latest version support only iOS9 devices.
Version 3.7.1 will be sent directly to ios8 devices by the App Store.
Devices running iOS6 and 7 can still usem an older version.




En anglais et en français.

Disponible sur / Available on


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Contact me by mail contact.leborddelapiscine@gmail.com

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