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Thread: BULB mode controlling over Lightroom

  1. #1
    Senior Member DWaviation's Avatar
    Join Date
    Jan 2012
    Horn-Bad Meinberg, Germany

    BULB mode controlling over Lightroom

    I want to do this weekend some star trail shots with my D300.
    Sadly the maximum exprosure time is 30sek.

    How can i controll the BULB mode over a programm and can set the exprosure time on 2-3h ?

    Thanks for your help!

  2. #2
    Senior Member
    Join Date
    Mar 2012
    Houston, Texas
    You can get a relatively inexpensive manual remote trigger similar to this:

    Or you can go with the Nikon version for quite a bit more:

    I've used an aftermarket trigger on my D300 for several years with great success. Also, I'm using the links to Adorama not as an endorsement or suggestion to buy from them bet as an example of what's out there. Any good local camera store should have remote triggers; I think I got mine at a Ritz or Wolf camera store near where I live.

    Another suggestion, more of an idea to research. I haven't done any long star trails, but somewhere I believe I read about people doing multiple shots at shorter times (i.e. 1 or two minute exposures) and then combining them in photoshop or elements. A 2-3 hour exposure would probably produce a lot of noise. I'd definitely go with relatively low ISO like 200 or 400. As I said, I don't have any experience doing exposures that long, so I can't speak with any authority. If you do use the shorter exposures, remember that, if you have noise reduction turned on in the camera, it will take an equivalent amount of time as the NR function processes the picture. I.e. If you do a 6 minute exposure, it will take 6 minutes in the NR function as well, hence you won't be able to take another shot before it finishes the NR.

    Good luck... I look forward to seeing your pictures.


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