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Questions tagged [dynamic-range]

The complete range of of lighting from total darkness to maximum saturation that a sensor or film is capable of capturing without extreme measures such as graduated neutral density filters or HDR.

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How to calculate actual bit-levels in a high dynamic range image?

I have two images one is an HDR image created by the Devebec algorithm, and the other is a low dynamic range image, then how can we calculate the actual bit-depth of the images? Both are supposed to ...
Ritika malik's user avatar
0 votes
1 answer
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Difference between testing dynamic range using greyscale charts and a xyla chart?

I am currently planning to calibrate my light meter to a camera by using Sekonics data transfer software. The software also measures/calculates/estimates the dynamic range of the camera, by analyzing ...
vannira's user avatar
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4 votes
4 answers
781 views

The benefit of 14 stop acquisition when the exhibition is only in SD?

I’ve always wondered what benefit a 14 stop acquisition has when the exhibition will be in SDR which has around 6 stops of dynamic range (according to Wikipedia)? How does the 14 stop image fit into ...
vannira's user avatar
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1 vote
1 answer
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How to read a dynamic range chart?

Background In short, I know what dynamic range is, how to expose properly, etc: don't clip highlights or crush shadows, higher ISO generally = more noise (though not always), etc. I recently bought a ...
Action Jackson's user avatar
2 votes
3 answers
284 views

Why do phone cameras have "oil painting" like effect on human skin?

I've long noticed that phone cameras have an oil painting like effect on human skin. As phone cameras get better, the effect is less pronounced by it's still a significant difference from a bigger ...
erotsppa's user avatar
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2 votes
2 answers
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Could a practical sensor measure time until pixel reaches threshold? [closed]

A typical digital camera sensor operates by capturing the analog state of each pixel after it has been active for some period of time. If some pixels would saturated in less time than it takes other ...
supercat's user avatar
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2 answers
317 views

Why Picture Profile disables Cont/Single Bracket Drive Modes

I have ILCE-7m3 camera. I operate it in manual mode (M) and fixed ISO (except auto focus (AF)) and target file format is RAW. Recently I discovered Picture Profile tab in camera settings. By default ...
Daniil Iaitskov's user avatar
2 votes
2 answers
116 views

Does small sensor/pixel has an upper limit of dynamic range?

It is from a friend that I heard: Cellphone cameras, due to their small sensor size, can have at most 11 stops of dynamic range (I did not ask too much about where that came from or what source is ...
Amarth Gûl's user avatar
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2 answers
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What is the minimum signal level for digital sensor?

Say there's a camera sensor, in a given time, a pixel sensor (abstract a group of subpixels from Bayer filter into one indivisible pixel) can only be activated when more than 10 photons hit it, after ...
Amarth Gûl's user avatar
-1 votes
2 answers
107 views

HDR wide dynamic range of a moving subject?

I see many questions without any innovative answers to this problem. It is difficult to manually edit out the ghosts in Photoshop. A single RAW image is wonderful, comparing dynamic range to a single ...
Mark Robin's user avatar
1 vote
1 answer
119 views

Best settings to Shoot best dynamic range - Shoots like the human eye sees the details and the contrast between the bright light and the outside

I want to shoot a photography but the image looks too bright or too dark. TOO BRIGHT HERE TOO DARK HERE Here I made some editing (I combined these two photo into one ) to show how it seen through ...
diniulian's user avatar
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1 answer
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Dynamic range of Cameras and Displays

Is the Dynamic range of Cameras more than that of Displays? If so, then does the same goes for HDR Cameras and HDR displays? Also, What is the general dynamic range of cameras and displays in terms of ...
C.R.'s user avatar
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2 answers
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" The dynamic range of the human eye is huge, but within a scene, it is smaller. " I need an explanation for this statement

Why the dynamic range within a scene is less for human eye? Also, what's the HDR contrast ratio for human eye to perceive?
C.R.'s user avatar
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3 votes
3 answers
376 views

How could I have capture better the lighting for this photo

I took an inhouse photo in which the sun was entering through the window. I'm guessing that due to the contrast, the flowers are really bright but the background is more dark than what it was ...
ffigari's user avatar
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3 answers
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Why can I recover more highlight detail from a predecessor model?

I took the same image with a Nikon D800 and a D850. The D850 is the successor of the successor (the D810) of the D800. Here are both images in Lightroom (they have different white balances): As you ...
Arji's user avatar
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1 vote
1 answer
277 views

How do phone cameras capture better overall exposures than my camera?

I've noticed that when shooting some environmental/city/sea/etc. scenes phone cameras expose both the background sky as well as the subject (person/building/street) pretty well. On the other hand if I ...
Mr. Nicky's user avatar
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1 answer
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Why are cross-processed photos coming out of the scanner overexposed?

I use a V500 scanner with Epson Scan 5.1.1, and usually have no problem scanning and getting a large dynamic range from various types of films and exposure choices. The only exception is with cross-...
MicroMachine's user avatar
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1 vote
1 answer
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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 ...
NoobPointerException's user avatar
4 votes
4 answers
218 views

Light source giving wrong color

I have been trying most of the settings in my Nikon D3500 to take indoor pictures of my home in dusk situation, or at least what you think is dusk situation, it is hard to explain. I have a very ...
Sebastian's user avatar
1 vote
1 answer
625 views

Full Well Capacity Questions

As I understand it, there are two potential limiting factors on full well capacity. a) adc bit depth and gain, b) pixel size and ability to absorb photons Whichever is the smaller value (in electrons),...
ItHertz's user avatar
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10 votes
2 answers
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Why is the earth not overexposed in this star photo from the ISS?

The NASA Image of the day on August 6, 2020, is this picture titled "A Starry Sky Above the Earth's Atmospheric Glow": (Source and full resolution Image) When looking at this photo, I ...
jng224's user avatar
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19 votes
5 answers
4k views

Why is it called dynamic range?

I understand that dynamic range is the difference between the brightest and darkest lighting, but why dynamic? Why not static range?
Jossie Calderon's user avatar
2 votes
1 answer
191 views

What's the difference between dynamic range and normal pixel value?

This may sound like a very stupid question, but I can't seem to wrap my head around why a camera can only have around 10 stops of dynamic range when it can have 255 values for each pixel. Why doesn't ...
J Bailey's user avatar
3 votes
1 answer
366 views

Calibrate exposure in RawTherapee using a grey scale

I just got a grey card which comes with a 11 levels grey scale : L 18.9 | Ev −2 | Ev −1.5 | Ev −1 | Ev −0.5 | L 50 Ev 0 | Ev +0.5 | Ev +1 | Ev +1.5 | Ev +2 | L 98.2 ...
Skippy le Grand Gourou's user avatar
7 votes
4 answers
4k views

Why are my sunsets not turning out well?

I am interested to know why are some of my pictures turning out this way. For example if you take a look at the sunset I took below, clarity and generally image quality is fine around the sun and ...
Gavrilo Adamovic's user avatar
0 votes
4 answers
6k views

How to correctly calculate the Dynamic Range of an image

I'm trying to compare the dynamic range of a correctly exposed LDR picture with the dynamic range of the HDR image obtained with 3 LDR pictures. Right now I'm calculating the DR as: ...
gbos's user avatar
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0 votes
1 answer
2k views

Black level correction for images

As I have figured, the main cause for the intensity values in an image to be non-zero even in the absence of light is the dark current which propagates through the photodiodes, providing some charge ...
LumosMaxima's user avatar
0 votes
3 answers
472 views

How to find the dynamic range of a scene (not camera sensor) from a photograph?

I have an older Sekonic light meter and I've used it before to understand DR of a scene before I've captured an image using the Zone system. What I'm wondering is if you can take an already captured/...
trying_hal9000's user avatar
1 vote
1 answer
241 views

DRO, Picture Profile and Auto Mode - Why these settings can’t coexist?

I’m new to professional photography and still trying to understand some crucial things,I really hope you guys could help me out. I have a Sony A6500, I’m trying to move from Auto to Manual settings, ...
suicidebilly's user avatar
1 vote
3 answers
324 views

How to replicate the higlight protection of an iPhone using a DSLR?

When taking photos with my iPhone, the phone's camera does a great job of protecting the highlights from blowing out. When using my Canon 5D mark ii, on the other hand, it seems to map a much narrower ...
lijat's user avatar
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2 votes
2 answers
694 views

Better dynamic range with film

I've read upon many online resources that the dynamic range of film is usually between 9 and 11 stops. However, it is frequently mentioned that 17 stops can be achieved with additional tricks in the ...
zzzbbx's user avatar
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13 votes
3 answers
2k views

What are physical causes of clipping?

What exactly limits modern digital camera sensors in capturing light intensity beyond certain point?
Gill Bates's user avatar
0 votes
2 answers
124 views

Is there a filter or material that allows a variable amount of light through depending on intensity? [duplicate]

Is there a filter or material that allows a variable amount of light through based on intensity? So the brightness of highlights would be reduced, while shadows would be less, or not at all, affected. ...
xiota's user avatar
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4 votes
6 answers
2k views

Why don't digital cameras have better dynamic ranges?

ISO in digital cameras is a digital amplification of the signal. If your camera's native ISO is 100, setting the ISO to 400 would make the sensor amplify the brightness 4x. So if ISO is digital, does ...
clickbait's user avatar
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0 votes
2 answers
2k views

How can I calculate the dynamic range from a photo?

I've just made an image post-processing to increase a dynamic range. Here is an original input image Here is an output image How can I calculate the dynamic range from a photo? In especially, how do ...
greeting's user avatar
2 votes
3 answers
527 views

Balancing interior/exterior scene contrast

This morning, I wanted to take an image of a room, with a window. Outside, the sun was about to rise so the sky was a dark pink/blue with a bright moon also. Inside, the room was dark, but the ...
andersj's user avatar
  • 21
14 votes
5 answers
4k views

Lighting up a subject during sunset without a flash?

I’ve recently been trying to experiment with sunset portraits but I keep encountering a problem where the sky is lit up exactly how I want it but the subject is under-exposed, with little to no ...
Christopher C.'s user avatar
5 votes
2 answers
490 views

How can Sony A7r iii get more dynamic range than A7r ii from the same sensor?

Acording to this article https://fstoppers.com/gear/sony-announces-a7r-iii-solid-improvements-built-around-previous-generations-424-201012 the Sony A7r iii uses the exact same sensor as it’s ...
lijat's user avatar
  • 1,591
6 votes
2 answers
2k views

How to process DSLR RAW files for display on modern HDR-capable TVs & computer monitors? (actual 10bit/ch or 12bit/ch dynamic range)

10bit/ch display panels are becoming common. The latest generation UHD TVs can display 10bit/ch, some consumer TVs have as high as 1000nit output. Very recently HDR computer monitors have (finally) ...
RMEnger's user avatar
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14 votes
11 answers
5k views

Why don't cameras record light data throughout the entire shutter?

Sorry if the question title is confusing, I don't know the best way to word this,so feel free to change it if you can think of something better. I learned electronic shutters can capture the image all ...
Ryan's user avatar
  • 1,135
4 votes
4 answers
475 views

Why are there no digital large format photographic imaging sensors using the TFT technology from medical x ray imaging?

Recently I witnessed an x ray imaging of an entire thorax, and I was pretty sure it was a film cassette with analogue film that was used, but was taught that it was a digital sensor. This sensor had ...
Chris's user avatar
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0 votes
1 answer
900 views

how to expose sky and landscape [duplicate]

Is there any go-to method for getting good exposure of both sky and land in landscape photography in broad daylight landscape photography? I've noticed that in my dlsr and smart phone, I'm typically ...
user151841's user avatar
1 vote
2 answers
120 views

Improve dynamic range in picture taken on snowfield?

I have taken some pictures of persons on a snow field. Unfortunately they mostly are quite dark, especcially in comparison with the surrounding snow. What is the best way to brighten them up (both on ...
arc_lupus's user avatar
  • 273
2 votes
2 answers
2k views

Best way to remove the red tint in shadows astrophotography

Recently I took a picture of the milky way from inside a cave. I've processed everything how I wanted and it looks great on the web but now I need to print a large version of it (610mm x 900mm). ...
Dale Gribble's user avatar
1 vote
7 answers
2k views

How to increase the dynamic range for a landscape photo without post-processing?

I like to take landscape photographs, during the golden hour. I always try to get high dynamic range so as to get the foreground and background proportionally highlighted, but I fail miserably (I use ...
samjay's user avatar
  • 100
1 vote
1 answer
136 views

Why does Preview mess up an image while saving it to OpenEXR?

I started with a JPEG: ... and saved it to OpenEXR (8 bits per channel) using Preview on macOS Sierra, which created an image with a washed out look. For your convenience, I've re-exported the EXR to ...
Kartick Vaddadi's user avatar
2 votes
5 answers
723 views

How to take pictures with sunset background without flash?

I'm attempting to take pictures with the sky in sunset as background. I would like to capture the dramatic orange tint of the sky and the vivid colors of the subject as well. However, long exposures ...
noobiejp's user avatar
4 votes
3 answers
1k views

How can I keep illuminated buildings names from being blown out in night city shots?

I'm just getting the hang of taking pictures of my city at night/dusk, and I'm bracketing exposures to get deep colors for the sky and enough exposure for the buildings. Here's an example. I've put ...
user2654217's user avatar
5 votes
3 answers
350 views

Is it possible for a camera to take different exposures at the same time with different ISO's?

I don't know exactly how ISO works within a digital camera, but from a video I saw, it described it as the camera essentially brightening the image from the sensor, given the same amount of light from ...
James Verdune's user avatar
11 votes
5 answers
6k views

Sunny day in the shade - how to deal with white balance and exposure settings? [duplicate]

I was out doing an assignment about symmetric and asymmetric pictures (rule of third, golden mean, golden ratio). I could not figure out what is the best way to deal with the following setting: I am ...
Ely's user avatar
  • 469