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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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 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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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 How do I take advantage of this ...
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117 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 ...
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How did film photographers deal with issues around dynamic range?

HDR and multiple exposure blending seems very popular these days. I wonder, what did film photographers do to solve dynamic range issues? For example, I know GND filters were common (and still are), ...
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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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How does the dynamic range of the human eye compare to that of digital cameras?

According to DxO tests, cameras have 10 to 12 stops of dynamic range. Is that correct? Noise can completely screw some lowers values (easily resulting in loss of some stops). Also Norman Koren says ...
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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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Is there a difference in dynamic range between film and digital?

Is there a difference in dynamic range between film and digital?
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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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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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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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Does contrast affect dynamic range?

Does modifying the contrast of an image change the dynamic range of a photograph? Does it make it better quality?
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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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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 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: stops = log2(...
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How to cope with high contrast?

Many times (especially around midday), we encounter lighting situations where the contrast of the scene is too high to capture with a camera. What can we do to create a useful picture in such ...
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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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Why don't cameras show an "accurate" histogram?

Why don't cameras show a histogram based on the RAW data rather than on the JPG preview? I know that a RAW file is not a viewable image and can't be displayed without applying curves and defining how ...
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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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Does A RAW file exist containing the full dynamic range of a natural scene with a ratio of 100,000:1?

I've just read Karl Lang's excellent whitepaper - Rendering the Print: the Art of Photography. In it, he mentions that the ratio of light to dark in a 'natural scene' can have a ratio of 100,000:1, a ...
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How do the 11+ stops of dynamic range from a modern DSLR fit into the 10 stops of the zone system?

Adams's Zone System uses 10 zones with the first zone being pure white and the last zone being pure black. The distance between each zone is one stop / 1EV, so if you place a black tone at zone 0 and ...
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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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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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608 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 ...
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Why does a bigger sensor have better dynamic range?

I already understand all the theory behind how a bigger sensor leads to better control of depth of field, and lower noise. But I've yet to find a place that can explain why a bigger sensor gives you a ...
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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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What does a dynamic range difference of 2.7 EV really represent?

I am trying to choose between buying a Canon 5D Mark III or a Nikon D600, In the advantages posted in Snapsort it appears that the Nikon wins over the Canon because of the dynamic range. Then follows ...
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How can I improve a landscape photo with deep shadows in post-production?

This is a photo that I've taken in Ani, near Armenia: The problem of this photo is that there are many shadows, particularly on gorge, and highlights near the horizon, on the right side. The weather ...
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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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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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Is there a dynamic-range reduction device (preferably passive, optical)?

When processing sound, one can use a Compressor to reduce the dynamic (DR) range of the signal. In photography, we often run into the problem of scenes with DR larger than the sensor's capture ability....
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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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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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How to avoid dark window when shooting from inside?

I am shooting a window with heavy sun light on it. When I get far enough from the window, the yellow curtain does not become too dark and is somehow visible (the second image). But as I get closer to ...
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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 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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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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Can I extend dynamic range by underexposing and then downsampling ("binning") my images?

In microscopy we often can sacrifice spatial resolution to collect more photons per pixel. Using sCMOS sensor and binning by factor of 2, we can get bump (up to 4x) in our signal-to-noise ratio (SNR). ...
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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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How is f-stop a measure of dynamic range?

As far as I have read f-stop is a measure of the aperture. This affects the amount of area in the foreground and background which is in focus. While having a look at the dynamic ranges of cameras I ...
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How to photograph a room showing both room & view out a window?

I sometimes find I want to photograph a room showing the view outside the window. This is tricky — either you adjust the shutter speed so that the the window is so bright you can see no detail, or ...
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How does the GoPro achieve such high dynamic range?

Everyone who's used a GoPro knows that you can easily shoot a photo or movie with the sun right in the field of view and still get a very well exposed picture, including a blue sky. Such a thing is ...
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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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How can I maintain brightness in a landscape without overexposing the sky?

I'm an amateur photographer learning to take good shots. I need some advise for shooting landscapes in bright daylight. Here's a picture that I've taken from my camera: I took this picture from my ...
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834 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 ...