Linked Questions

0
votes
1answer
112 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 ...
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
87 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
144 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 ...
2
votes
2answers
147 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
88 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 ...
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 ...
1
vote
6answers
276 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 ...
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. ...
2
votes
2answers
445 views

Where can I learn the theory behind photography and camera engineering?

While I do have a basic understanding of the concepts of photography, it would be great to also understand the theoretical background behind the optics and the engineering of modern cameras. E.g. to ...
-3
votes
3answers
106 views

What's the best ISO value to use when shooting? [closed]

I wanted to know what's the best ISO value to use when shooting?
8
votes
3answers
2k views

Qualitywise, is there any downside to overexposing an image (within the dynamic range of the camera)?

If i underexpose an image and have to crank up the exposure in post, this will also amplify the noise, resulting in a lower quality image. In this case, it would've been better to expose correctly ...
0
votes
3answers
869 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. ...
0
votes
2answers
827 views

How to know the resulting iso of stacked images?

I've read in several questions like this one that stacking photos helps to reduce the noise of the resulting image, which is really helpful in astrophotography. My question is if I can know a priori ...
-3
votes
2answers
851 views

What's the perfect ISO setting?

Assuming that ISO in a DSLR is a 'fake' figure, matching the speeds of wet film & that as everything is calculated digitally, the 'best' calculation is 'no calculation at all'. Is it a given that ...

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