Update: Found the cause of the issue. D3200 does not allow shutter control via USB when in Bulb mode (not an issue with the D3500). I have tested outside of Bulb mode and the process works as expected, albeit tied to the exposure settings on the camera body.

I have found a couple of homebrew solutions which involve hacking together the USB cable with the remote cable. Not ideal.

If anyone has any experience of this and/or an alternate solution please update this topic.

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Thanks. I have tried with/without a lens. I have also tried a Canon EOS 1000D, which works fine.

I have also updated the firmware on the D3200. I guess my nest set is to email Stellarmate support.

Thanks for your help/

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Hey, thanks for responding and running a test on your equipment.

All four of your points are checked (13Gb on SD card) but still no joy. I don't hear the shutter opening/closing which may point to the issue.

I have attched some screenshots of my INDI settings for the D3200, including the error code. Hoping that this may point to where this is failing.

I have recently downloaded, installed and configured Stellarmate on to a RP4. I have a ZWO ASI 120MC as my guide camera and a Nikon D3200 as my imaging camera. Both devices are detected and connect successfully on both the App and Ekos for Mac. However, I cannot get the Nikon D3200 to successfully capture an image - the ZWO works just fine.

The specific issue is that I click Preview, then the process fails with the INDI console returning an undefined error. The issue is replicated on both the Stellarmate app and Mac.

The D3200 is set to Manual in Bulb mode. And to debug, I have even removed the SD card to prevent the device being identified as an external storgae device and connected the D3200 directly to my MacBook with the same outcome.

I may be missing something simpe in the set up - possibly with the D3200 - but I have now reached the point where I have exhausted all ideas to get this to work.

Was wondering whether anyone could help me.

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I recently downloaded and installed Stellarmate to a RB4. Following the video tutorials I attached a Nikon D3200 as my imaging camera and a ZWO ASI 120 as my guide camera.

Everything is detected and connects as expected. However, the D3200 does not capture images on both the Stellarmate app and Ekos on my Mac - the capture (preview) process starts and then returns an 'unspecified error' in the INDI console. I have no such problem with my ZWO.

The D3200 is set to Manual in Bulb mode, I have also removed the SD card to stop the D3200 being identified as an external storage device and connect direct to the Macs USB, all with the same result.

Whilst I suspect that there may be a specific setting on the D3200 I am missing, I have not been able to find the solution. Does anyone have any experience and can help.

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