Having problems with your Olympus Camedia C-8080 Wide Zoom Digital Camera ?

What is ISO?

\015 This is more of a photograpghy question but what is ISO and how can i use it to improve picture quality? What is the best way to catch speed? what mode should i use? (camera is a Olympus Camedia C-8080 wide zoom)\015

Answers :

It is the Film speed to measure of a photographic film’s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. Relatively insensitive film, with a correspondingly lower speed index requires more exposure to light to produce the same image density as a more sensitive film, and is thus commonly termed a slow film. Highly sensitive films are correspondingly termed fast films.
\015\012ISO numbers usually double up, and each step gives one more stop of light. Common numbers are: 50 – 100 – 160 – 200 – 400 – 800 – 1600 and higher.
\015\012Take a look at these links for some good explanations of what ISO is in phtography.
Well I might as well chip in since I just asked a question myself, and help get some 'good karma'

ISO is the sensitivity of the film or setting of the image capturing device (the CCD or CMOS).

To describe it in digital terms, it's like the pre-amp setting on a musical instrument: the boost, if you will.

So in terms of quality, the lower the ISO, the better the image quality. High ISO settings will give you faster speeds for low light photography, at the cost of noise.

Setting the right ISO is a matter of compromises. Higher ISO will give more noise, but less motion blur or better depth of field. On the c-8080, I find that 200 is the maximum I will tolerate for noise, but it depends on your subject matter, so your mileage will vary. I prefer image quality and often use a monopod or tripod and basically use this camera only, primarily because it's a wide zoom, mostly for landscape and still subjects.

Bottom line: for speed you need high ISO, and expect more noise. For still, the lower ISO is best for image quality. If you're into speed I would suggest you look into panning and not to be afraid of some blur.

P mode is best for everyday shooting, S mode is for setting the speed, but you can also use the sports mode, but frankly, I never used these settings and I find this is NOT the best camera for sports (camera too slow, zoom too short).
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