Linked Questions

127
votes
7answers
17k views

What is “ISO” on a digital camera?

What is "ISO" in general, and how is the scale defined? How does the ISO scale for film speed differ from ISO sensitivity as used in digital cameras? Is lower ISO always better?
35
votes
8answers
16k views

Should I shoot underexposed photos?

Someone more experienced than me said that he always shoots so that his photos are underexposed (darker) and I should too. The reasoning being that you can always increase the exposure in ...
26
votes
6answers
3k views

What is ETTR (Expose To The Right)?

Picking up from this answer and this question, What exactly is ETTR? How it may reduce the image noise? And how is it difference from film to digital sensors? In the answer linked above, what are the ...
15
votes
4answers
1k views

Why is my camera so forgiving for overblown exposure when shooting in RAW?

I've found that my camera (Sony A99) is very forgiving in terms of overexposure when shooting in RAW. By that I mean, I can overexposure by a stop or so and when I get home for the post processing I ...
10
votes
4answers
7k views

Blown out blue/red light making photos look out of focus

I've only recently started taking photos and got into shooting concerts in a small venue that has neither a pit, nor proper lighting. All they use is some kind of simple LED array. The thing is ...
25
votes
1answer
6k views

Is it really better to shoot at full-stop ISOs?

The second half of this answer says Notice that I only shot full-stop ISO which is important with Canon DSLRs because the gain to obtain the 1/3 stops in between is applied in software by the ...
4
votes
4answers
3k views

How to make camera LCD show true RAW data in JPG preview and histogram?

With Canon 650D (and presumably all the other Canon), I noticed that the picture style and full JPG processing is used to generate a review JPEG which is what the camera actually reads when reviewing ...
3
votes
3answers
16k views

What is the highest acceptable ISO to use for weddings with Canon 7D? [closed]

I recently had my first wedding shoot(yippie!). For a person like me who usually shoot still life and landscape, weddings is a whole new world. I am used to shooting at low ISO's (800 or less) but the ...
3
votes
3answers
1k views

How can I take low-light action shots?

My sister takes photographs for our weekly Ultimate league. We start around 6 pm (this is currently summer), and play till 8ish. But nearing the end, the light is low - bright enough to play in, but ...
2
votes
2answers
6k views

Seeing a lot of noise when editing in RAW

I'm editing some RAW images using RawTherapee, and after editing I'm seeing a significant amount of noise that wasn't present in the original RAW image. I'm increasing the exposure, contrast, and ...
2
votes
4answers
387 views

How much exposure is too much considering late dusk pictures?

I tend towards darker pictures when it comes to dusk/dawn shots. Of these two, again I tend to the darker. But is the lighter photo here better in terms of the exposure? I am trying to capture the ...
-3
votes
1answer
265 views

Why no raw channel histograms? [duplicate]

I understand the basic logic of providing histograms of JPEGs. The sensor pixel values get combined, processed, interpreted as a color, then broken out into new RGB values. So, if you were to give the ...