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Old Aug 17, 2003, 9:51 PM   #1
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Default A good use for that digital zoom!

Hey all, I was reading a book that was based on film cameras. Anyway, it said that you could meter off a smaller area by switching to a longer zoom lens, spot metering, and switching back.

This gave me my first idea. Basically, one can get more accurate metering by zooming in to full telephoto, metering, and zooming back out.

So yesterday I was at the camground and was playing with the camera. Just then I realized I could take what I had learned the week before to a new level. I could use the digital zoom on top of the optical zoom to spot meter off of miniscule/distant objects!

I tested it on a pop can, and was successful in reading it from 15'6" away!

There is only one problem that I can see with using this on a lot of cameras. That being that many cameras do not have full manual override. I have yet to see a digicam where the exposure lock can be kept while zooming in/out.

Maybe this is all common knowedge, but it was not common knowedge to me!

Oh, by the way, here are two photos that were taken of the lodge. the first was metered using evaluative metering. The second was metered using spot on the grassy lawn. You be the judge.


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Old Aug 17, 2003, 10:01 PM   #2
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Default Re: A good use for that zoom!

Quote:
Originally Posted by Melboz99
Anyway, it said that you could meter off a smaller area by switching to a longer zoom lens, spot metering, and switching back.
I used to do that with my SLR, not only for exposure reading, but also for focusing on a particular subject, then zoom back to frame up the shot.

Quote:
Originally Posted by Melboz99
I have yet to see a digicam where the exposure lock can be kept while zooming in/out.
Not using the shutter button, but I know (and it does work because I just tried it) the Olympus C-7x0 series has an AEL or Automatic Exposure Lock button which does exactly that, not to mention locking the same exposure for multiple shots.
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Old Aug 17, 2003, 11:53 PM   #3
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Default Re: A good use for that zoom!

Quote:
Originally Posted by Mike_PEAT

Not using the shutter button, but I know (and it does work because I just tried it) the Olympus C-7x0 series has an AEL or Automatic Exposure Lock button which does exactly that, not to mention locking the same exposure for multiple shots.
Hey Mike, glad to hear that your camera can do that. I have yet to find anyting like that on my A70. One nice feature about the A70 that I believe goes underused by a lot of users is the focus lock. This comes in really handy when shooting photos of children, who never can seem to sit still.
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Old Aug 18, 2003, 12:21 AM   #4
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Default

My G3 has Exposure lock. Thanks for the tip, I'll try it out next time I'm out shooting.
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