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Raspberry Pi Camera Telescope Mount

by geeksarebeta, published

Raspberry Pi Camera Telescope Mount by geeksarebeta Oct 7, 2016
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Summary

This is a mount that allows a Raspberry Pi camera (v1 or v2) to be used in a telescope for astrophotography. The eyepiece will fit any 1.25" focuser. To use the Pi Camera for astrophotography you will need to remove the lens that covers the sensor, this can be done with a pair of long nosed pliers, carefully gripping the lens and rotating. YOU MUST GRIP THE CIRCULAR PART AND NOT THE SQUARE PART.

There are two files, one for the eyepiece that goes into the focuser and another for a cap that sits over the top, you will also need the following:

  • 4off M3x12 Cap Head Bolts
  • 4off M2x4 Cap Head Bolts

You may want to use a longer data cable that is available on the internet depending on how far away from your Pi you have the camera (mine is attached to the body of the telescope).

Print Settings

Printer Brand:

RepRap

Printer:

Fisher 1

Rafts:

No

Supports:

No

Resolution:

0.1 - 0.2

Infill:

15% rectilinear


Notes:

Printed well for me with a 200C setting for all layers, 0.2mm resolution but you can go finer (and I will for the final version).

Post-Printing

Assembly

Once printed assembly is very simple, use the M2 bolts to attach the camera PCB to the cap (this assumes you have already removed the lens from the camera to enable photography to take place), the data cable should lie towards the edge with the cut-out. Ensure that the camera is pointing up. Next line up the eyepiece with the camera and use the 4 M3 bolts to secure the two together, ensure that the bolt heads are on the cap side as pictured. That's all there is to it.

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Works great! I posted a writeup on what worked for mine, including camera settings, how to use it from a web browser, and how to do eyepiece projection for higher magnification. I hope it's useful. Thank you for sharing the part! I included a link to your part. http://shortcircuitsandinfiniteloops.blogspot.com/2017/04/astrophotography-with-raspberry-pi.html

Everything fits perfectly, but it doesn't seem to work with a 1.25" telescope eyepiece. Is the inner supposed to slide over or outside supposed to slide inside?

Have you measured your print to make sure it's 1.25" on the diameter? If it's a little out some light sanding may help. The reason it's is separated in to three pieces it to allow it a little flex, it should be a snug fit to centralise the lens.

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