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Old Apr 28, 2005, 10:03 PM   #1
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Some here have been discussing how to get exposures right so I decided to take advantage of the crapola weather and go shoot a blackbird using one stop bracketing on the Mark II. For those who don't know what this is, it sets your camera to take 3 photos in sequence, one under exposed, one properly exposed, and one over exposed. The degree of under and over exposure is set by the photographer. In this case I set it to + and - one full stop in order to gain feather detail on the blackbird yet retain proper exposure in the background.

I chose the -1 exposure for the background and the +1 for the bird. Using layers I copied the +1 bird on to the -1 background and using the airbrush I stitched things together. I then merged layers and sharpened to taste. Below are the exposures and the final product. I hope that you can see the advantage in such a practice.

PS - If you have a burst mode it's best to set it to burst so that you shoot the 3 consecutive frames as fast as possible. This is what I did with the Mark II, which shoots at maximum speed 8 frames per second. However, one need not have such a fast burst in order for this to be effective as the background remains the same regardless.

PPS - Note that I adjusted the darkness in the final work just a touch less than what you see on the +1 exposure. I did this using the layer opacity slider while still in layers mode.

I use Paint Shop Pro, which is very similar to Photoshop, so my lingo above should be understood by most who use Photoshop.







COMBINATION of + and - brackets in order to attempt to achieve a decent overall exposure:





I hope that the above demonstrates the power of bracketing effectively. I'm certainly happy that it exists as a tool.
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Old Apr 28, 2005, 11:39 PM   #2
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Very helpful, Norm. Thanks a lot.
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Old Apr 28, 2005, 11:54 PM   #3
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Thanks mullen, it's been helpful to me from time to time when I've needed to use it.

Here's what I would do if the bird had been in a radically different position. I would have cloned out the background exposure bird and then wouldn't have needed to concern myself with exact placements:



With another bird dropped into this background in another layer anything can be done with either background or foreground. In the case below one could get rid of what they didn't want in the subject layer:


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Old Apr 29, 2005, 10:46 AM   #4
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Normcar nice examples. You should write more about these PS tricks. I liked your hawk pictures where you had changed the bg.
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Old Apr 30, 2005, 12:49 AM   #5
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Thanks bobby
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