LED Projector used to project background scenery for play.
At a theatrical performance, I recently took pictures with a Canon 1DX, settings 1/500th, Auto ISO. They used an overhead LED Projector used to project background scenery for the play. It was a money saver. The background appeared constant to the naked eye but the picture of the background had greatly varying wide horizontal color streaks.
During the performance I kept the focus point on the actors and their color was for the most part OK except when the projector's light was on them. It reminded me of a fluorescent light except it was in color. Usually a fluorescent light can be dealt with one picture at a time in processing. In this case the lack of uniformity within a single frame complicates the matter. Has anyone successfully dealt with this problem? Thanks!
Can you post an example. I can only imagine what it it would look like.
Yes. I will try to add a second.
I don't know if these attempts to post are successful.
If there is room enough backstage you might try rear prouection onto a translucent screen.
I am unfamiliar with posting JPGs to this site. Will dropbox be OK?
Paul
Thanks but all I do is try to take the pictures. I am not with the venue.
go back to your one of your post, you have 30 mins to do this.
click on add attachment. then chose your file. then Add Attachment, you will see start down load at the lower left corner.
Thanks Bill! That was what I was missing, the lowere left corner part.
Wow, that would be a nightmare. As mentioned above rear projection would have been choice, but stage dimensions would be a big factor.
I sure hope you good with PhotoShop because the only alternative is to live with it. Did it also effect the actors, I can see them lighting up as part of the back drop.
When they were towards the back of the stage it did affect them. This was my first encounter with this venue. I don't know if the LED projector has settings to change the frequency at which they operate. I would have to slow my shutter speed down to capture a complete cycle. I will salvage what I can and chalk it up experience.
I think it has to do with the "refresh rate" of the projector, so I've been told.
That's the extent of my knowledge in that technical area.
All I know is, I don't get inconsistent exposures/colors at slower shutter settings.
1/500 is obviously asking for trouble.
GoofyNewfie, I think you are right. What speeds do you use that don't give inconsistent colors? Thanks for sharing.
tillmanb wrote:
GoofyNewfie, I think you are right. What speeds do you use that don't give inconsistent colors? Thanks for sharing.
Your situation is probably different than mine, but I know 1/15th works to get the image on screen to show up well and found a good image where I used 1/40th.
That is helpful. I frequently photograph dancers on stage, hence the usefulness of a fast shutter speed. However, I would have been able to use a much slower speed for that particular play. I'll do better next time. I appreciate everyone's help.
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