Raspberry Pi time lapse camera
Using the Raspberry Pi’s High Quality Camera module I made a time lapse camera in my living room.

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Assembled camera sitting in my living room window
1 Case
I designed a case with a large lens hood and a recessed lens so that it can block the light from the room. This would allow the camera to take photos at night.

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CAD screenshots of the case design

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Assembled camera

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Camera chassis with HQ module on one side and the Raspberry Pi on the other

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Camera chassis reverse side showing the Raspberry Pi
1.1 STL files
The files are also available on Thingiverse.
2 Capture code
I decided to strive for maximum image quality even at night, by capturing a stack of images and summing them up.
3 Lens
I found a Basler C125-0618-5M-P on eBay which seems to have good image quality and fits the Raspberry Pi HQ Camera.

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Picture of lens

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The lens has significant barrel distortion but that is compensated for by my code above.

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The lens is quite sharp and can resolve even 200 lp/mm. This chart is at f/1.8, polychromatic, 0.5 m working distance.
4 Gallery

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera

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Picture taken by Raspberry Pi camera