Update July 10th 2012: I have included in 0.0.2-2 everything needed that wasn't installed by default in the N9/N950 phones, so it should now work on any of those - tested with PR1.2
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I have succeeded to port my Magnus Plus Photo magnifier app from N900 (the thread is here: http://talk.maemo.org/showthread.php?t=77023 ) to N950 (and it should work on N9 as well).

On short, there are two little apps in a single package, each with its own icon, that you find on the phone's launcher screen (the one with the apps icons) after installing the package.

1) Magnus Plus Magnifier magnifies, something that the included camera application can do sometimes, just that Magnus Plus is optimized for focusing at close distance and just handier. As opposed to the N900 version, here it has continuous auto-focus.
The working distance is about 10cm.

2) Magnus Plus Negative Viewer, which is the same but with an extra filter that inverts the video stream. This makes it useful for examining photographic negatives and for funny applications (try to see how your fingers look on the negative!).

The resulting package can be downloaded here: harmattan/magnusplus_0.0.2-2_armel.deb

The source is here.

I would really appreciate your feedback:
- Can you install it now from the deb I've provided? You may have to enable installing from non-store sources (in settings/applications/installations)
- Does it work for you?