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Need a help on these techniques
I am new to photo terms so can someone please direct me to simple practical explanations on specially.

1. Exposure Compensation2. Exposure Bracketing.

And on flash usage , suppose the subject is on a shaded boat while the outside is well lit sunshine with water reflections....

RChanhttp://dreamsmademe.blogspot.com..

Comments (5)

Exposure compensation: the light meter of your camera tries to make a good exposure assuming that the image will be a certain shade of grey (18% grey). This is not what happens all the time, but is close enough for a first approach .

If you try to take a pic of a black dressed subject, your camera will expose so he looks grey. If you want him to look black, you'll have to take the exposure down by one or two stops. For bright subjects you'll do the opposite. It's a way of dealing with the camera's meter shortcomings..

Exposure bracketing: If you have any doubts that the exposure will be correct you can take other shots identical to the first but with different exposures, brighter and darker, so you can choose the best. Most DSLRs have a dedicated function for this, but you can use manual mode..

About the flash in the situation you described, assuming the boat is not very far, my advice would be to use both the camera and flash in manual mode. Adjust the camera for the correct exposure of the background and the power of the flash according to the distance from the subject. Of course there are many ways of doing this, depending on the gear you have..

Try googling for "fill flash" or check this out for very good info.

Http://planetneil.com/tangents/exposure-metering/.

Good shooting..

Comment #1

Chanbingo wrote:.

I am new to photo terms so can someone please direct me to simplepractical explanations on specially.

1. Exposure Compensation.

This explanation is a bit dry, but it is accurate......

Http://en.wikipedia.org/wiki/Exposure_compensation.

Note that correcting exposure by means of the "+/-" compensation control is usually a matter of ADD-ing exposure to light toned subjects, and SUBTRACT-ing exposure from dark-toned ones. This is exactly the opposite way round to what most people would first assume!!.

2. Exposure Bracketing.

This page has illustrations....

Http://www.digicamhelp.com/...aking-photos/advanced-techniques/bracketing.php.

Note that there are ONLY two possible ways for the exposure level of any photograph to be wrong.... that is, there can only ever be too MUCH exposure (result too light), or too LITTLE exposure (result too dark)..

Both can be dealt with by the bracketing operation, if the bracket is sufficiently wide, and this can be done without even identifying that there is a problem to be fixed....

... which leads us to ask.....

Q: Since digital film costs hardly anything but time, could it be considered worth bracketing exposures as a matter of course.. for practically every shot?.

A: Yes, at least for every shot where multiple exposures are actually practical. That pretty much lets out any action shooting, and a constant bracketing of portrait pictures would be giving your sitter something of a hard time, I think! .

And on flash usage , suppose the subject is on a shaded boat whilethe outside is well lit sunshine with water reflections....

As you have guessed, that is an opportunity to use flash to brighten up the foreground, with the trick being to get an attractive exposure balance between the flash component and the ambient light on the background..

Now, just how to set any one camera model to achieve a particular balance would depend on that camera. Sorry. I can't give you more detail then that, because individual cameras vary so much in how auto-flash is integrated into the general exposure control algorithms.... .

Analogy...

The steering and transmission shift work about the same whichever car you drive, but the arrangement of the rear seats in a people carrier, and how they can be re-configured, varies a lot from one model to another !!Regards,Baz..

Comment #2

Thank you very much. I appreciate it! Will go thro those.

For the record I brought a new Canon G9.

RChanhttp://dreamsmademe.blogspot.com..

Comment #3

Chanbingo wrote:.

For the record I brought a new Canon G9.

Looks like a nice piece of kit. May you enjoy it in good health. Regards,Baz..

Comment #4

Chanbingo wrote:.

I am new to photo terms so can someone please direct me to simplepractical explanations on specially.

1. Exposure Compensation2. Exposure Bracketing.

FYI, there is a glossary menu in the top left corner of this page for these and other explanations to help you along.........http://www.dpreview.com/learn/?/Glossary/Exposure/.

Regards,Hank.

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Comment #5

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