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what can cause this? sony D50 and D30 shoot

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brianluce
what can cause this? sony D50 and D30 shoot
on Aug 7, 2005 at 12:52:22 am

Hello, we're doing an infommercial using a sony d50, d30, and pd150. the set is a kitchen with about a thousand dollars worth of fruit piled everywhere. on wide shots all three cameras get a flicker along table edges and other certain seemingly random areas. it's not the monitors. we dialed the detail all the way down. no luck. when we zoom in closer the flickering disappears. our homespun theory is that there's too much information for the camera to deal with, in other words the set is too "busy". could this be possible? we've tried to isolate the problem and can't. the cameras are using batteries so we don't think it's in the electrical service of the studio.


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R Hewitt
Re: what can cause this? sony D50 and D30 shoot
on Aug 8, 2005 at 2:02:02 pm

Almost certainly this is a cause of the inability of the CCD to resolve the detail of the table edge down to the number of pixel lines available. The PD150 is the most likely to suffer this due to the 1/3" chips in use but should be better with the D50 and D30.

Possible solutions:

1. Double check there is no light flickering on the set. It's not unusual to get a halogen lamp flickering that the eye doesn't notice but the camera does.

2. Try changing the shot angle if possible. A diagonal line is less likely to give flicker than a horizontal one.


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brianluce
Re: what can cause this? sony D50 and D30 shoot
on Aug 9, 2005 at 7:12:46 am

thanks sir for the pointers. one of our editors has postulated that the aluminum foiled backed insulation that covers the ceiling and walls of the studio is the culprit. something about electrons. That sound feasible?


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Matte
Re: what can cause this? sony D50 and D30 shoot
on Aug 11, 2005 at 8:29:44 pm

[brianluce] "one of our editors has postulated that the aluminum foiled backed insulation that covers the ceiling and walls of the studio is the culprit. something about electrons. That sound feasible?"

Uhhhh,

no.




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brianluce
Re: what can cause this? sony D50 and D30 shoot
on Aug 12, 2005 at 1:39:37 am

thanks, I know, stupid question but we've tried everything and are willing to even give voodoo a chance to fix things.



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