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FORUMS Photography Talk by Genre Transportation Talk 
Thread started 09 Mar 2013 (Saturday) 11:49
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How to take two exposures?

 
evan55
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Mar 09, 2013 11:49 |  #1

I want to take a photo of my brothers car, and heard someone say to take two exposures, one for the sky and one for the car, then combine them.

I'm just wondering if that means putting the camera on spot metering and aim at the sky for one shot, and aim at the car for one shot? Or does this mean take one shot at -1 and +1 ev?

The camera will be on a tripod.

Thanks


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3Rotor
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Mar 09, 2013 12:46 |  #2

It could be accomplished in many different combinations. You don't necessarily have to use only spot metering, you can meter for your desired effect in most modes. If you're metering for a dark car with a bright sky, you'll end up having car correctly exposed and a blown out sky. From the same position you could go down a stop or two depending on what you're looking for. Resulting in a correctly exposed sky and underexposed car. Finally, you'll create a composite in post. Three exposures is quite popular without having to do too much work; -1, 0, +1, -2, 0, +2, etc...


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PhotosGuy
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Mar 09, 2013 12:56 |  #3

Normally I'd move this to RAW, Post Processing and Printing, but since you asked about a car, I put it in T. Talk instead.

evan55 wrote in post #15695229 (external link)
aim at the sky for one shot, and aim at the car for one shot? Or does this mean take one shot at -1 and +1 ev?

Either would work, but I prefer to use this Need an exposure crutch? & bracket from -2X to + 2X, just to be sure that I have all the tones to work with.

What software will you be using for blending the exposures? Got Layer Masks? This is the overall best way that I've found for objects with hard edges like cars: Selecting areas in PS.

And don't forget that starting with the best light on the car will give you the best results. You have looked at the links in my Sig, right?


FrankC - 20D, RAW, Manual everything...
Classic Carz, Racing, Air Show, Flowers.
Find the light... A few Car Lighting Tips, and MOVE YOUR FEET!
Have you thought about making your own book? // Need an exposure crutch?
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evan55
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Mar 09, 2013 13:38 |  #4

PhotosGuy wrote in post #15695393 (external link)
Normally I'd move this to RAW, Post Processing and Printing, but since you asked about a car, I put it in T. Talk instead.
Either would work, but I prefer to use this Need an exposure crutch? & bracket from -2X to + 2X, just to be sure that I have all the tones to work with.

What software will you be using for blending the exposures? Got Layer Masks? This is the overall best way that I've found for objects with hard edges like cars: Selecting areas in PS.

And don't forget that starting with the best light on the car will give you the best results. You have looked at the links in my Sig, right?

Yep, I've looked at your posts. I plan on doing two exposures (sky and car) similar to this near the bottom of the page http://photocornucopia​.com/1035.html (external link) and using LR4 and CS5 to stack and blend the layers.

I'm also wondering if I have to move the camera do get the different exposures, wouldn't that kind of ruin the shot when I stack the layers? Or is there another way around this?


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PhotosGuy
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Mar 09, 2013 18:07 |  #5

evan55 wrote in post #15695478 (external link)
I'm also wondering if I have to move the camera do get the different exposures, wouldn't that kind of ruin the shot when I stack the layers? Or is there another way around this?

While you might move the camera to get the two exposures, you said "tripod" so we're assuming that you would not move the camera between the exposures? At least we wouldn't.


FrankC - 20D, RAW, Manual everything...
Classic Carz, Racing, Air Show, Flowers.
Find the light... A few Car Lighting Tips, and MOVE YOUR FEET!
Have you thought about making your own book? // Need an exposure crutch?
New Image Size Limits: Image must not exceed 1600 pixels on any side.

  
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Joe ­ Ravenstein
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Mar 09, 2013 22:59 |  #6

Bracketing will do the job you are wanting to accomplish. 3 shots minimum will do the job , one over one on the mark and one under exposed.


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How to take two exposures?
FORUMS Photography Talk by Genre Transportation Talk 
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