Re: gPhoto2 - Bulb Capture Not Working | Nikon D5100

Marcus Meissner <[email protected]> Sat, 16 May 2020 15:11:53 +0200
Newsgroups gmane.comp.multimedia.gphoto.user
Organization SUSE Software Solutions Ger many GmbH, Maxfeldstr. 5, 90409 Nuernberg, Germany , GF: Felix Imendörffer, HRB 36809, AG Nürnber g
Message-ID <[email protected]>
Hi,

On Sat, May 16, 2020 at 06:10:14PM +0600, Nazmus Sakib wrote:
> Thanks.
> 
> But my Shutter is already in Bulb in Nikon D5100.
> 
> root@cubie:/home/linaro/gphoto# gphoto2 --get-config shutterspeed |grep
> Current
> Current: Bulb
> 
> However, I think in Nikon D5100 is it possible to do Bulb Capture by USB
> ... is it right?
> 
> Also in Canon 6D the Bulb Capture works but I am facing problem in
> Exposure Time. I am used below command to set exact Exposure Time 3.8s.
> 
> gphoto2 --set-config eosremoterelease=Immediate --wait-event=3.8s
> --set-config eosremoterelease="Release Full" --wait-event-and-download=2s
> 
> But when checking the Exposure Time on Camera as well as using ExifTool its
> 2.9s FYI, debug log attached.
> 
> Any advise in this regard please?

--wait-event=XXXs  only supports "full" seconds, not fractional ones currently, so --wait-event=3.8s waits for 3 seconds.

Use --wait-event=3800ms   as workaround here.

As for Bulb mode... If the Nikon shutterspeed can report bulb it should work.

Ciao, Marcus