What ISO settings for ??

chaparral · 20 Dec 2009 at 18:29

Guys what the ISO settings on camera's for/do ???

Looks like the lower the ISO setting the better the picture is :confused:

http://www.steves-digicams.com/camera-reviews/nikon/coolpix-s220/nikon-coolpix-s220-review-14.html

PermaBanned · 20 Dec 2009 at 18:33

I want to know this too, there seems to be a lot of 'noise' on mine but i can't figure out how to change it. Goes from 80 to 800 but the only options i can see are 'Auto' or 'Hi'

PinkFloyd · 20 Dec 2009 at 18:38

Higher the number is the higher the sensitivity of the Sensor. The more sensitive it is, the less light required to form an image, however the downside with high sensitivity is that you get more noise.

What camera Superewza?

PermaBanned · 20 Dec 2009 at 18:40

Cannon Powershot S3 IS

It's not technically mine, but it's still annoying.

chaparral · 20 Dec 2009 at 18:46

PinkFloyd said:
Higher the number is the higher the sensitivity of the Sensor. The more sensitive it is, the less light required to form an image, however the downside with high sensitivity is that you get more noise.

What camera Superewza?

Thanks pinkFloyd

I bought my lady friend a Nikon Coolpix S220 yesterday for christmas and i been far from impressed with how much picture noise and also very soft images...

Same as the sample pictures of the MM-man in the review i link to...

rpstewart · 20 Dec 2009 at 20:00

Superewza said:
I want to know this too, there seems to be a lot of 'noise' on mine but i can't figure out how to change it. Goes from 80 to 800 but the only options i can see are 'Auto' or 'Hi'

Superewza said:
Cannon Powershot S3 IS

It's not technically mine, but it's still annoying.

With a Canon you normally need to be in either P, Av, Tv or M mode to manually set the ISO

neodude · 22 Dec 2009 at 08:58

In film cameras ISO was the speed of the film. The higher the speed the more sensitive to light that the film was. This meant that higher shutter speeds could be used.

In digital photography ISO has the same effect. When you increase the ISO you are increasing the gain on the signal amplifiers that amplify the signal from your sensor. In other words you are making the sensor more sensitive. Again the higher the ISO the faster shutter speed you can use for given lighting conditions. The downside is that the increased gain on the amps also results in noise being amplified. High ISOs are good for low light conditions when a flash can't be used, most of the noise produced can be filtered out in post processing.

Gadge · 24 Dec 2009 at 10:32

higher ISO = faster shutter speed = more grainy images ?

Mr Jones · 24 Dec 2009 at 12:21

Gadge said:
higher ISO = faster shutter speed = more grainy images ?

Aye.
On certain cameras, the grain is rather uniform, others, it can be abit obvious (can see pixel lines). Most noise removal during post-processing of a RAW shot should be fine if you prefer 'noiseless' shot. I find noise adds some film noir to certain shots.

Raymond Lin · 24 Dec 2009 at 13:19

The rule of thumb is to try and keep it as low as you can get away with to get the shutter speed you need.