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 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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-...
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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 ...
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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 ...
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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),...
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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 ...
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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?
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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 ...
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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
...
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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 ...
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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:
...
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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 ...
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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/...
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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, ...
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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 ...
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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 ...
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What are physical causes of clipping?
What exactly limits modern digital camera sensors in capturing light intensity beyond certain point?
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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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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) ...
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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 ...
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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 ...
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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 ...
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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 ...
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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). ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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When is it better to use HDR rather than just pulling extremes from a RAW file?
When I shoot in raw instead of jpeg, I can bring out the darks and suppress the lights very easily for pretty much every picture I shoot when I edit in Lightroom. Since HDR is meant to capture detail ...
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If, brightness → dynamic range... white balance → what?
Different things have different brightness levels. And with a normal camera, when we set more exposure to show details in the shadows, the already existing-details blow out. And vice versa — when we ...
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Dynamic Range and ISO capabilities - Canon / Nikon
first - time poster here
I have a Canon 550d (T2i) and sometimes shoot bands in small venues using Canon 85mm 1.8 or a 1.8 nifty fifty. Usually this is at 3200 ISO and wide open. Results can be OK ...
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