Posts: 4
Threads: 2
Joined: Jun 2015
Hi together
I have a little problem with the Auto Holy Grail.
I tried it 3 times at an similar place with a similar situation, you can see my first result here:
http://youtu.be/hpPXNnE46FM
I started with 1/4000, f3.5 and ISO100. The Auto Holy Grail was set to max ISO1600 and max shutterspeed of 2 seconds.
My external Timer is a cheap copy from china, but he makes his job. (set on 5 seconds)
Now the problem: the shutterspeed is encreasing to 0.3 seconds (the first time to 1/5) but stops at that value. Neiter increasing the ISO.
Here you can see that the dslrdashboard is working very well at the beginning, but gets problems when its too dark i think??? :
You can see at the end the picture is getting darker and darker because the shutterspeed isnt correcting correctly. At my first try (in the youtubevideo) i had to cut the last 4 or 5 seconds of the finished movie because it was even darker than the analysis of the picture i posted before. Even in the video i posted i had to increase the luminance in lightroom more than 2.5 points at the end to get the end of the video as bright as it is....
Just now i had an idea: could it be that at the beginning dslrdashboard takes the average luminance of the whole picture (very bright at the upper half, very dark at the lower half). After the sun went down, the whole image has more or less an equal luminance, but mabye both situations have the same average luminance?
If its that problem how can i solve it, in the other case: any other ideas?
Thank you and Greez Kayooo
PS: I work with an Canon EOS 600d, Sigma 18-250mm and use the dslr dashboard on a notebook with windows.
I have a little problem with the Auto Holy Grail.
I tried it 3 times at an similar place with a similar situation, you can see my first result here:
http://youtu.be/hpPXNnE46FM
I started with 1/4000, f3.5 and ISO100. The Auto Holy Grail was set to max ISO1600 and max shutterspeed of 2 seconds.
My external Timer is a cheap copy from china, but he makes his job. (set on 5 seconds)
Now the problem: the shutterspeed is encreasing to 0.3 seconds (the first time to 1/5) but stops at that value. Neiter increasing the ISO.
Here you can see that the dslrdashboard is working very well at the beginning, but gets problems when its too dark i think??? :
You can see at the end the picture is getting darker and darker because the shutterspeed isnt correcting correctly. At my first try (in the youtubevideo) i had to cut the last 4 or 5 seconds of the finished movie because it was even darker than the analysis of the picture i posted before. Even in the video i posted i had to increase the luminance in lightroom more than 2.5 points at the end to get the end of the video as bright as it is....
Just now i had an idea: could it be that at the beginning dslrdashboard takes the average luminance of the whole picture (very bright at the upper half, very dark at the lower half). After the sun went down, the whole image has more or less an equal luminance, but mabye both situations have the same average luminance?
If its that problem how can i solve it, in the other case: any other ideas?
Thank you and Greez Kayooo
PS: I work with an Canon EOS 600d, Sigma 18-250mm and use the dslr dashboard on a notebook with windows.