Linked Questions

0
votes
1answer
105 views

What determines exposure? [duplicate]

I’m trying to figure out what determines exposure is it Aperture and shutter speed? Or a different combo. The reason I’m asking this is because iso just brightens the photo or magnifies the exposure ...
16
votes
3answers
4k views

If I want to shoot darker shots, is it better to increase the lighting and then darken in post to retain clarity?

I'm just getting started - in my last shoot, I was using a 6D with a 50mm/1.4. In low light, the pictures looked fantastic on the viewfinder but on the computer screen, appeared extremely grainy. For ...
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, ...
1
vote
3answers
74 views

How are you supposed to judge ISO's effect on the image if you are looking through the viewfinder?

When you look through the viewfinder, how do you prevent potentially taking bad photos by misjudging the ISO? You can see what the focus will be like and depth of field and the shutter speed isn't too ...
1
vote
1answer
79 views

Looking for details on Dynamic Range vs ISO

I have been reading up on maximizing dynamic range of digital sensors in order to get a rich image and soft roll-offs. One thing that I cannot wrap my head around are the following concepts and the ...
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....
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 ...
12
votes
4answers
8k views

What is the relationship between ISO, aperture, and shutter speed?

I know digital cameras have ISO options, and that ISO is the camera's sensitivity to light, but if you set higher ISO then you can get a noisy image. I also know there are two other camera options, ...
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 ...
4
votes
1answer
1k views

Why does my Finepix S2950 not show the image quality I expect?

I am a little confused as to why my Finepix S2950 takes photos like it does. I seem to be able to take great Macro Shots, but not landscapes. I have noticed that if I zoom into a picture enough I can ...
2
votes
2answers
143 views

Highest possible ISO? [closed]

What is the theoretical upper limit on ISO for a digital image sensor? (I imagine any limit must be a function of sensor pixel size, since once all electronic noise has been eliminated then shot ...
0
votes
1answer
87 views

Is the following video explaining ISO accurate? [duplicate]

So, I was searching for the exact mechanism behind the workings of ISO (or film speed) in digital camera. I found this video and it was pretty simple. But i was wondering if this video is accurate and ...
0
votes
3answers
844 views

Why are my product photographs not sharp?

I just bought a Canon 750D. The picture has too much noise. The detail/shine of the diamond is not really showing. I am also using a tripod and timer. The lens is the EF-S 18-55mm ƒ/3.5-5.6 IS STM. ...
2
votes
2answers
1k views

Which ISO should I use for the cleanest image? [duplicate]

Assume the case of a Canon 6D Mark II. Its lowest ISO is regulary 100. If expanded, I can set it to L, which is ISO 50. Until now, I was always under the impression the lower the ISO the cleaner the ...
3
votes
3answers
705 views

Why is my camera metering indoor scenes as darker than I expect, forcing me to use a high ISO?

I am shooting in natural light, with my subject facing a full floor-to-ceiling south facing window. You would think my meter would allow ISO between 200-400 in bright light, but I was lucky to get it ...

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