Good news, I found out how to do bulb mode for EOS Cameras like 50D that don't have "B" mode on the mode dial. But I can't quite get bulb capture to work on newer cameras like 5D Mark III that have "B" mode for bulb instead of a "BULB" shutter speed in M mode.

This was how I did it:


0xD102, 0x0c ...

Hello friends at helicon. I am hoping you can help me!

I am trying to make an arduino board for night time photography of milky way. I am running it to libgphoto2 which I understand is very similar to the way helicon might work for pc and mobile, mostly be hex code being issued and received to ...