What went wrong!

I know its something to do with the changing of the lights. Any tips on how to avoid it
Both shot with same exact settings shot 1 right after the other.

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Have you got AWB set ?

ozwapet wrote in post #13271489
Have you got AWB set ?

Yes i also tried a manuel WB and that did not work out too!

another picture this one is kind of weird!

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EDIT: Terrible link. BLAH.
I'm going to say flourescent lighting. Were your shutter speeds fast?

Try to get a a full cycle, some people have said 1/125th and some around 1/60th. Your mileage may vary.

Yep, thats the cycling of the lights. You can shoot at shutter speeds slow enough to capture a full cycle, 1/30 of a second should do it.

Could someone chime in with the "formula" for shutter speeds with this type of lighting? I can't recall.

Oh man it's an attack of the fluorescent lights! Generally, using flash and shooting above the ambient will get rid of those nasty cycles of sine waves. If that's not an option, try shooting at 1/60th and hope the lights play nice - you might have to use a custom wb in pp later on!

Of course, you can just play it off as dangerous chemicals in the air as the students were playing with chemicals.

I want to know what the hell is on the back of his hand? Normally you would think the person should be holding it. The latest remake of the Blob ?

digital paradise wrote in post #13271721
I want to know what the hell is on the back of his hand? Normally you wold think the person should be holding it.The latest remake of the Blob ?

they where dissecting something i can't remember....

here is something my friend put together

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Looks like it ate his pinky

Fricks wrote in post #13271724
they where dissecting something i can't remember....

here is something my friend put together

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Happy Valentines Day

I keep hearing some emotive song by Muse or the Used going in my head when looking at Meat Heart.

EDIT: At least it's not My Chemical Romance.

tonylong wrote in post #13271534
Could someone chime in with the "formula" for shutter speeds with this type of lighting? I can't recall.

Here in the upper left hemisphere where alternating current cycles at 60hz, a full cycle is 1/60 second. So a shutter speed of 1/60 will cover it.

Theoretically, you'll get the full range of brightness and color temp in half a cycle, and 1/125 shutter speed comes pretty close. 1/40 will cover 1 1/2 cycles which should also work. Anything slower than 1/40 will cover multiple cycles and that's fine, too.

You'll get minor color variations at 1/50, 1/80 or 1/100, and bigger problems as you go past 1/125.

In Europe and elsewhere with AC voltage at 50hz, well hopefully you can figure out the math.

Compact fluorescent bulbs have electronic ballasts that cycle much faster and don't suffer these problems.

Thanks, Curtis!

I pointed Jake here to post the question because I knew someone would have a good answer, and you came through!

Jake, are you getting this?