Questions tagged [high-iso]

ISO is the sensitivity of the camera's sensor or film; high ISO is more sensitive and often required in low-light situations, where there is a large correlation with noise.

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Does high ISO/ASA break the camera or detoriate it faster?

I don't know how strong the components are but amplifying electric signals seems like a great idea to exhaust the internals and there is also extended ISO values.. Like overcharging thin electricity ...
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6answers
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What is the physical cause of increasing noise at high ISO?

Which is the physical cause of the increasing noise at high iso? I know that Iso represents the sensor/film sensitivity to light: at lower iso we need an higher exposure time to get the image of the ...
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Why are pictures dark with “low” ISO on my canon 6d? [duplicate]

I have camera canon eos6D, and I have problem with ISO. When I`m shooting in daylight, or light indoor places, my camera always chooses to have auto ISO over 500, sometimes even over 1000. When I was ...
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156 views

Difficulty shooting in high ISO with my Canon 5D Mark II

While trying to shooting at 2500 ISO in a dark music jam, when I push the shutter it just stays open, the plus/minus exposure dial through the lens flips to far left, and I have to change the setting ...
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1answer
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Why is same image exposed at 100 ISO noisier than 3200 ISO? [duplicate]

I used to believe that ISO adds noise as a drawback to increasing exposure, but after researching the topic I arrived at the conclusion that it is a misconception. By amplifying the existing signal ...
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What is considered High ISO?

So reading the questions I came across this Why do cameras include very high ISO settings even though they are so noisy? and my comment on this answer led me thinking, how do we qualify high ISO? Is ...
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4answers
465 views

Why do cameras include very high ISO settings even though they are so noisy?

Why do they make DSLRs' ISO settings go so high? I own three different Nikon cameras and every one of them, once you pass a pathetic 320 ISO, the noise in my photos is lousy and — all 3 cameras cost ...
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2answers
504 views

Astrophotography: Balancing the ISO value

I went outside last night and made some... pictures. The details about my setup: Sony alpha 6000 Varexon 2.8/135mm lens (would be 202.5mm on 36mm film) ISO 25600 3 seconds (a bit too long, given the ...
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7answers
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Why am I getting a lot of noise at 1000iso when my camera says it can go up to 6400?

My Nikon D7100 is getting a lot of noise when I bump up the ISO to even 1000. How do I reduce that? It says it can go up to 6400 which is one of the reasons I got the camera.
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7answers
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How do I know which combination of aperture and shutter speed yields enough light to have pictures with minimal noise?

This is a kind of continuation of this question. I'm shooting a poorly lit object. Camera has fastest ISO value of 3200. I set aperture to some specific value and don't alter it, the object is ...
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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. ...
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2answers
448 views

What is the significance of a camera's ISO Invariant point?

My understanding is that many cameras have ISO settings which are beyond the "true" ISO capabilities of the sensor, and that to achieve higher values, the camera itself performs "back-end digital ...
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1answer
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Compact film camera to handle high iso sensitivity

I'm an amateur photographer digging into film photography. I currently own a Minox GT which I really love: it's on aperture priority, really compact and light-weight, it's got a quite good, fast lens, ...
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2answers
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Measuring light sensitivity with dB instead of ISO

The highest ISO camera that I'm currently aware of is the Canon ME20F-SH, which goes up 4.56 million ISO (correct me if I'm wrong). In camera, it measures light sensitivity in dB gain instead ISO. Why ...
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2answers
136 views

blowup highlights & ISO

Can you please tell me how to check whether the highlights are blownout when the sky is plain without clouds and dark blue?? I am just a camera user and not skilled in photo techniques.Is this ...
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Is there any point in ultra-high ISO for DSLR [not film]? [duplicate]

This isn't a moan - though it easily could be - but is there any real practical use for the high ISO capabilities of modern DSLRs? Some background, as this is my first question here - I'm very new to ...
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4answers
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What are the applications for high ISO shooting? [closed]

EOS high-end cameras seem to have a very high ISO range. According to some charts, the prosumer 6D has 102400 ISO extrapolated and the 1Dx can go up to 400K ISO. These numbers seem insanely high to me....
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3answers
866 views

Why does my camera choose a higher ISO even when the flash is on?

I own a D7200 and am still learning how to use all of its features. I just noticed the camera is consistently choosing high ISO (3200-6400) indoors under low light conditions even when the built-in ...
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1answer
705 views

Why won't my ISO go below 6400 when I shoot indoors? [duplicate]

I'm having an issue with my Canon 6D. Whenever I shoot photos inside my house they turn out so grainy! I've tried turning the ISO down but anything lower than 6400 and my photos are basically black. ...
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2answers
1k views

Does shooting at high ISO have a practical impact on battery life compared to exposure time?

I am shooting a nightlapse (RAW frames, Noise Reduction off) using my 6D with a few images every minute (I use Magic Lantern's intervalometer). My battery was in good condition and was close to full (...
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2answers
226 views

Higher ISO or negative EV to capture action during wild life shooting at low light?

Early morning light..low contrast scene..hand held 7D-II with 300 IS II f4 lens. A big dark cat is climbing down a tree super fast. I had increased EV by 1/3 and had to jump up ISO to 5000 to get a ...
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1answer
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What's the relationship between chromatic aberration, ISO and long-exposure noise reduction?

I took a photo that has what seems like chromatic aberration. It's a purple color at the left and bottom edges, especially at the bottom-left corner: This is a 30-second exposure at ISO 3200 with the ...
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In my Canon t5, how much can I bring up the ISO without getting unacceptable noise? [closed]

Would you feel comfortable at 3200? Or maybe at 1600?
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1answer
119 views

Why are there shiny bits in my night photo?

Fisheye lens, so no UV filter installed that can mirror it. ISO 800, 10s shutter, Canon 40D my guess is in-camera high ISO reduction algorithm gone awry. could be? Edit: I was talking about the bits ...
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2answers
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meaning of ISO setting on Sony alpha 6000

Under the premise that the 14-bit A-D converter has approximately the range needed to quantize every single photon (<25000 full well capacity, 16K possible values) for low-light shooting raising ...
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0answers
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What can cause yellowish horizontal bands when using a relatively high shutter speed? [duplicate]

I'm using a Canon 6D, using my Canon 50 mm f/1.8 lens. I was taking pictures of my son using his "youpala" (no idea how you say that in english :D) last night, in my kitchen, with only my ceiling ...
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1answer
95 views

In what kinds of images would high noise be most manageable?

In what sort of photographs does the noise least detract from the image? (The noise is that resulting from use of high ISO settings.)
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2answers
82 views

What kinds of images can I produce the least noise in when shooting in low light? [duplicate]

What sort of images produce least noise?
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2answers
18k views

Exposure compensation or ISO sensitivity? [duplicate]

If ambient light isn't enough and I don't have a tripod with me for long exposure, which one should I prefer to increase the brightness of my photo? I know high ISO comes with noise. Is there any ...
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3answers
586 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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2answers
284 views

Why does raising ISO make image quality appear lower even though my measurements suggest it shouldn't?

I know this may be rehashing one of the most discussed topics, but I would like to take it a slightly different direction and solicit input. First of all, I am familiar with the electrical ...
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2answers
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Same mfg process = same performance in FF vs. cropped sensor?

I've seen generalizations that full-frame sensors tend to exhibit better low-light performance and dynamic range than a cropped-sensor specifically because they tend to use larger photosites that ...
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1answer
592 views

How to denoise a dark photo with extremely high ISO?

There are situations where I would reluctantly have to turn the ISO to the larger extreme. Nevertheless I can get some photos that I pretty much like under these circumstances. Here is an example. (...
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4answers
634 views

How much does noise reduction let me increase ISO without a visible decrease in quality?

When I take low-light photos with my Sony NEX-5R, I find that I stick to ISO 200 to ensure acceptable noise. I was told that fear of ISO will hold me back, and that I should do noise-reduction in ...
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1answer
179 views

Does a deeper photosite increase the dynamic range?

As I understand, a bigger photosite (on the sensor) enables a bigger dynamic range and also better high ISO performance. Is there a reason not to make the photosite deeper?
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4answers
2k views

How does low-light conditions affect color quality?

I recently photographed an event that took place while the sun was setting. The quality of colors seem to deteriorate as it gets darker. The scenes were well-exposed as the ISO changed from ~1200 to ~...
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1answer
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Is there a technique to increase saturation in high ISO?

[This question assumes JPEG shooting, with minimal post processing.] In an unavoidable situation, you have to jack up the ISO. High ISO, however, comes with price - noise and washed-out color, among ...
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1answer
694 views

have accidentally taken 130 RAW shots with ISO sensitivity 10000, all noisy, now what?

... now what, Darktable or Lightroom? I have taken 30 shots indoors at artificial light at ISO 10000. On the live view display of the camera they looked great, now on the monitor, in the fullscreen ...
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3answers
266 views

Is video a good alternative to low available light photography?

I took a slow zoom and my mirrorless to a birthday party at a local kids' gym not knowing the light situation. It was dimly lit, and needless to say, the slow zoom + high shutter speed to freeze ...
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2answers
409 views

How about high ISO (low light) performance testing of sensor with camera's auto-ISO option?

I'm in the market for a camera with better high-ISO capability than my current ones. There are more than enough reviews on the internet that measure cameras' high ISO performance. They usually pit one ...
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3answers
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How do I correctly expose a 3200 ISO film roll on a camera that allows 1600 ISO?

I just bought a 3200 ISO film roll (ILFORD DELTA 3200), and my camera (Chinon Cm-5) allows to set films up to 1600 ISO. What can I do to expose correctly? I thought of metering at 1600 and when it's ...
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6answers
708 views

High ISO or faster lens for a distant evening portrait?

There's a kid in the apartment across the street from my west-facing house. She comes out to their balcony at about 5pm. It's a delight to see her play and I have often tried to capture her smile, but ...
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2answers
374 views

Wedding cameras - disposable or ebay compacts + film

For a wedding I was thinking of trying to get some better quality disposable cameras. The highest ISO disposables seem to be 800 colour or 400 B&W (I would like to get a mix of colour and B&W)....
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2answers
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Why photos taken with flash appear to have less noise?

I have not verified this on pixel-peeping level. But I have observed that photos taken with flash (built-in one in my case) appear to have very less noise at ISO 800/1600 than the ones taken without ...
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4answers
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Has low-light ISO performance really improved over the past 3-4 years?

I have a Canon 40D and I always shoot RAW. I am overall pleased with the 40D except for its low-light performance. Anything at or above ISO 800 is unusable for my taste. Just to solve this problem I ...
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Why does storing a long exposure photo take almost as long as the exposure time itself?

Last night I took some night sky shots, and I've noticed that with long exposure times (15s, 30s) the time it took to store the images in the camera memory card (jpeg) took roughly as long? The ...
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2answers
1k views

Why does Nikon warn about banding at high ISOs when using autofocus on Nikon D4 or D800?

Nikon says that banding may occur at high ISO sensitivities with autofocus on the D4 or D800: D800 Noise in the form of horizontal lines may appear in pictures taken with AF-S Zoom Nikkor 24-85 mm ...
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6answers
508 views

How can I improve shots in the dark, when tripod or flash are not available?

About once a year, at my school we have this event called "Humans versus Zombies", whereby there are these "missons" that occur in the dark at night. I've been trying to capture what goes on there: ...
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0answers
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Why does Nikon (e.g. D5100) use Hi1 and Hi2 instead of numeric ISO settings? [duplicate]

Possible Duplicate: What does “expanded ISO” mean? Are these settings real sensitivity options when reading the CMOS sensor or just after-processing what can be done outside the ...
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7answers
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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 ...