blue sky

P

panda

Member
Hey! When i'm filming in a sunny day ( even when it's cloudy though.. ) i set my dvx ( WB, exposure, nd filter ,but I keep my shutter speed at 1/25 ( pal user ) ) but the sky is ALWAYS overexposed. can I have a blue sky? like the sky in the begining of this clip : http://www.apple.com/chfr/finalcutstudio/profiles/.

I've got an other question about that clip :) how did they do for the night shot. like there's no gain. is this 'cause they shot with film cam or something else ?

thanks a lot!

Romain
 
few things

firstly, what time of day are you shooting? If its between 10am-3 pm, thats why./

you wont get the sky in proper exposure digitally, or even on film if the suns at its brightest and highest point in the sky.

from the footage i was looking at, there were long shadows, and the sun was hidden the entire time, meaning it was either shot from 6-9 in the morning, or 3:30 ish to whenever the sun sets there.

Also, your using such a slow shutter speed, howcome? What is your F stop set at? Are you using any neutral density filters? What part of the picture are you exposing for?
 
Why would you want your shutter at 1/25? If you're going for a filmlike look it should be 1/50th.

On a sunny day you should have both layers of ND filter in (i.e. ND 1/64). Then for a blue sky, put the sun at your back so you're shooting away from the sun. You should be able to get a wonderful saturated blue sky that way.
 
Consider graduated blue filter also. It's very good option and produces beautiful artistic effect, but in a different way than polarizer. Polarizers can achieve very strong effect depending on sunlight direction and filter setting, but graduated filters are much more consistent. The choice depends on composition and what you want to achieve.
 
okay thank you very very much guy i'll try it later... i set my shutter speed at 1/25 because someone told me if i set 1/25 ( 25p progressive ) i'll have the smoothest image.. wrong?

so nd 1/64 + sun in the back and it should be alright? :)

edit: sorry PaPa i forgot to write that : do you wanna know my SCENE FILES settings? or what?
 
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Don't forget, you can always isolate the blue in the sky in post, and punch up the color and saturation using your NLE's color corrector and/or your favorite compositing program, like AE or Shake.
 
The ND and circular polarizer is the most important thing when keeping blue skies. Also keeping your zebras on 90% will give you that little bit of room if you iris up to fast when what you are shooting moves into a lighter area.
 
I think there's no point to use 1/25 with sunny day and this is your problem I guess. Check your f-stop and I'm pretty sure it's max. (11 or 16) most time even with ND 1/64. Not good at all!
Personally I don't like 1/25 shutter at all. This annoying "PAL flickering" gets even worse with such low speed. In sunny day I prefer 1/125...this is really film look.
 
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