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Old 06-13-2006, 08:16 PM   #1
hotcknstrips
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Need help from photograpy pro's

I just purchased another digital camera (to replace the junky Fuji I bought this past Christmas)....I think I got a great deal, and I really like all it's features.

Anyway, I want to be able to use all of it's functions, so my questions are a sfollow.

I can set the aperture and shutter speed manually, but i need an explanation of what these settings do for picture quality, and how to use them depending on the situation. I already have an idea, but I need the answer from someone that really knows.

Second, what is ISO?? I can adjust it on this camera as well, so an explanation of what it does will be helpful.

Also, what is SATURATION??



The camera is an Olympus sp-320, so if someone here has the same camera (or similar) please, share the knowledge!
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Old 06-13-2006, 08:18 PM   #2
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Try www.howstuffworks.com

http://science.howstuffworks.com/camera.htm
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Old 06-13-2006, 08:56 PM   #3
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Short of a Book

Speed is the lenth of time the shutter is open. ie. 1/100th of a second or 1/500th of a second or 1/1000th of a second.
Apature is the amount of light that the setting regulates thru the lense to the film or sensor.
Forget saturation for the moment. That is ISO. ie. what is called film speed, some film is more sencetive than others.

Try this, set ISO to 100 or 200.
set apature to f/ 18
set speed to 1/60th second. The flash will proble flash.
Now set a fan on a table with good lighting on it. and shot directly in to it seeing the blades. about 5 feet away from it. With the fan on.

your first pic. will show the fan with the blades tuning.
to be cont.
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Old 06-13-2006, 09:08 PM   #4
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Short of a book

Now in the second shot.
decrease the apture one stop. f/11 you are letting more light thru the lense. try this each shot decreaseing the apture untill the pic is filled with to much light for the pic.

Now go to speed 1/100th of a second and go thru the same apature setting as before. and continue increaseing the speed one setting at a time untill you reach 1/1000, as you increase the speed and open the apature you will start to see the blades of the fan come to a stop. when you can stop the blades of the fan you have just learned speed and apature. hope this helps. and that was a $50.00 lesson.
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Old 06-13-2006, 09:18 PM   #5
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OK! I tried this.
ISO 200 Shutter speed, as you said, 1/60
Aperture, it doesn't have a value of 18, the minimum is 2.8, maximum is 8.0, so I tried both.

I aimed at the ceiling fan, which is white, well iluminated and moving.with 2.8 aperture, the blades seem like ghosting, and with a value of 8.0, they look still, but I saw some glare, from the lightbulbs.

Keep the ideas comming dude! i'm already liking this camera even more.
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Old 06-13-2006, 09:21 PM   #6
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what camera?
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Old 06-13-2006, 09:30 PM   #7
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Olympus SP-320

I know, I know, I'm cheap.
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Old 06-13-2006, 09:33 PM   #8
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Your in the right direction

Start with that and pratice, pratice, pratice. At least you are learning with digi., I learned with film and this leason cost a lot with film prossesing. And now i can stop a rider in the air and you can count the spokes in the wheels or i can add a little motion to the shot. Keep shooting! :icon_bigg
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Old 06-13-2006, 09:37 PM   #9
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Thanks man!
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Old 06-13-2006, 09:37 PM   #10
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Second

now Increase the ISO ( one step at a time ) and go thru it again. And did I mention this is $50.00 a leason.
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Old 06-13-2006, 09:41 PM   #11
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lol. my brain is well trained to ignore dollar signs.
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