50L horizontal yellow tint, any kind souls can help me ?

Started Feb 3, 2010 | Discussions thread
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brillantblend
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50L horizontal yellow tint, any kind souls can help me ?
Feb 3, 2010

I went to a shop to try out the new 50L with my 5D MK2 and fire a few shots consecutively on the same scene. And i notice there is a horizontal yellow tint across the photo and it happened on either the top, center or bottom of the frame with the same exposure. I choose another scene and fire a few shots and it happened again.

I tried on another 50L and it also has the same problem. Finally, the shop owner let me tried on both his camera 7D and 5D mark2 and and it also has the same problem. I really like the 50L but why it happened like this. Any kind souls could advise me ? Please see the pictures below. All the photos are shot in ISO 800, AWB and Evaluative Metering.

5D Mark2 - Tv (1/1000), Av (1.2). Horizontal yellow tint at the top

5D Mark2 - Tv (1/1000), Av (1.2) Horizontal yellow tint at the bottom

7D Mark - Tv (1/800), Av (1.2). Now there is no yellow tint

7D Mark - Tv (1/800), Av (1.2). Horizontal yellow tint at the center.

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