help! moon and clouds...
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Old 03-25-2008   #1
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Default help! moon and clouds...

hello!

first of all, i hope i started this thread where i should. If not, i apologize.
Second, and the topic of this thread... Some time ago i took the image attached, and was (and still am) wondering, could i have got the moon properly exposed in that picture? I mean, i tried using a faster shutter, but no clouds appeared on the image.

So, my question, is there any method, technique to get a shot like this with the moon not overexposed? FROM ONE SHOT? I mean, i could take another shot of the moon properly exposed and blend the 2 in PS, but i was wondering if there is a more professional way to do it.

third: thanx in advance and take care!

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Old 03-25-2008   #2
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Default Re: help! moon and clouds...

there is a dynamic range thing going on here so i wouldent think this would be something you could pull off in one shot. the moon will either be blown 9 overexposed) or the sky would have to be underexposed ( no clouds). i think the best way would have been using two or more shots ( on a tripod) and combining them in photoshop. as far as the profession way, its not uncommon at all to layer scenes together. esp those with such a broad range of exposures needed.
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Old 03-25-2008   #3
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Default Re: help! moon and clouds...

I agree with zero: the contrast difference between the moon and the clouds is too much for the cam to grab in one exposure. You could try a double exposure on one and the same frame with a Cokin type mask filter. Otherwise I think you're limited to HDR. I.e. multiple exposures on separate frames that you merge in PP.
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Old 03-25-2008   #4
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Default Re: help! moon and clouds...

thanx, guys.

i'm a begginer with photography, and thought that there's a technique or something to pull it off...
thanx again.

cheers.
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Old 03-26-2008   #5
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Default Re: help! moon and clouds...

Another option is to spot meter the moon, but you will lose some clouds.
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Old 03-26-2008   #6
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Default Re: help! moon and clouds...

Ya, to confirm: I've tried a lot of things to get the clear moon AND clouds exposed correctly. From my experience, it's impossible.


Combining 2 images is the best option IMO.

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Old 03-26-2008   #7
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Default Re: help! moon and clouds...

thebeing, have a look at Max's moon in this thread, he used spot metering.
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Old 03-26-2008   #8
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Default Re: help! moon and clouds...

He wants the moon and the clouds with one exposure.
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Old 03-26-2008   #9
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Default Re: help! moon and clouds...

I know. As mentioned earlier, he will lose some clouds but not all.
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Old 03-27-2008   #10
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Default Re: help! moon and clouds...

Correctly exposing the moon is actually very simple. There is a basic photographic law, the B.D.E. law. Basic Daylight Exposure. This law states,"the correct exposure for an object front lit by the full sun will be, aperture @ f/16 shutter speed @ ISO, or any equilavent." For example the mountain range ahead of you has the full sun illuminating it and the sun is behind you. There are no clouds in the sky and it is between 10 A.M. and 5 P.M. The ISO of your camera is set at 100. The correct aperture will be f/16, shutter speed will be 1/100 (or any equivalant.) The moon is no different.

Benji


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