Linked Questions

12
votes
11answers
2k views

In situations where you aren't compelled to pick high ISO (low light/needing a high shutter speed), is there ever a reason to NOT prefer low ISO?

Given the same amount of exposure, sometimes you may prefer smaller or bigger aperture because you may want high or low depth of field. Similarly, sometimes you may prefer slow or fast shutter speed, ...
30
votes
8answers
5k views

Is high ISO useful for photography?

I started photography sometime back, and always wondered when is high ISO handy in photography? Also can it be used to get any special effect in pictures? My camera has Max ISO of 800 but I see some ...
71
votes
7answers
22k views

How is ISO implemented in digital cameras?

If I change the ISO settings on my camera, obviously the gain of the system is increased, amplifying the signal from the sensor. What's not clear to me is where the amplification takes place. I see ...
47
votes
7answers
84k views

Is it better to shoot with a higher ISO, or use lower ISO and raise the exposure in post-processing?

Suppose there are two photos taken in the following scenario: Scenario 1 - Photo taken using ISO of 3200. Scenario 2 - Photo taken using ISO of 100. Both photos are taken in a medium light scenario....
12
votes
7answers
2k views

Can someone give a simple explanation of ISO?

Can someone please explain to me what ISO means in the camera settings? In an answer to a question about taking pictures at a dance party, I was told to use ISO 1600. What does that number really ...
11
votes
6answers
12k views

What camera settings would make shooting easy in a darkish church?

I tried to take photographs in a church that was bright enough for human eyes, but I quickly realized the camera couldn't take it. Failing to anticipate this, I didn't bring a tripod. Since I don't ...
10
votes
6answers
6k views

Why would using higher ISO and faster shutter speed yield more noise than using lower ISO and slower shutter speed?

I'm trying to see how this answer correlates with practice. That answer basically says I need to let enough light into the camera and then use the highest ISO value and I'll get the lowest noise then. ...
1
vote
6answers
268 views

What setting should I adjust when using a tripod to get less noise?

If there's a really grainy photo. Not much natural light here and a tripod was available. What should be changed in settings to decrease the noise in the photo? Settings Focal length 12mm ISO 6400 ...
28
votes
5answers
2k views

Is there any noise difference between averaged and long exposure photos?

Let's suppose I'm on a tripod, photographing a perfectly still scene (also dark) and I take these photos: 5 photos at ISO 3200 and 1s exposure 1 photo at ISO 100 and 5s exposure There is a common ...
24
votes
5answers
27k views

What is meant by the "native ISO" when talking about DSLRs?

The new Nikon D7000 is out, and a lot of previews has touted the "native iso" of D7000 to be 100. What does this actually mean? I'm assuming it means it performs at its best at iso 100, which means ...

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