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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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4answers
585 views

How can I best take portraits in strong sunlight, without a flash or reflector?

When on the road as a tourist, I often do not carry a reflector of flash. Now I am at a location with very strong sunlight and I want to take a photo of a companion in front of a nice scenery or ...
5
votes
2answers
797 views

How does one best deal with shaded faces in bright sunlight?

When photographing people in bright sunlight, parts of faces are often shaded by hats or by their own contours. This creates highly-contrasted faces, and either a very bright background or very dark ...
5
votes
3answers
2k views

Does a high ISO generally result in bad dynamic range and less accurate color?

I have a Pentax K-x. I've had it set on "auto ISO up to 6400" for a while now, and I'm starting to wonder if this is making my images worse. Honestly I don't trust myself to tell. Does a high ISO ...
5
votes
1answer
325 views

Are there any general rules to prepare a picture for print?

Today I went to the photo shop to print some pictures. Before that, I checked them and they seemed ok. (Not under/overexposed, good contrast). However, when I got them printed, some of them were ...
5
votes
1answer
297 views

Can Canon Log Gamma be useful for photography?

The newest Canon cameras have a feature called Canon Log Gamma. I specifically became interested in its usefulness for still photography when I read that it captures: 12 stops of dynamic range, ...
5
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1answer
258 views

What do “dark current” and “sensitivity” mean for a camera module?

I am looking at a camera module to be used for a project which deals in shooting frames in dark areas and night conditions. This is a camera used from a circuit board. I have the following light ...
5
votes
1answer
737 views

How does iDynamic on Panasonic G Micro Four Thirds cameras work?

When using iA+ mode on my Panasonic G3 something called iDynamic kicks in and preserves the highlights in the image. I wonder how this is possible, and not just a part of the dynamic range of the ...
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8answers
8k views

How do I properly expose dark scenes containing bright light sources?

I'm new in photography, however I have some basic knowledge of exposure, aperture, etc. I own a Nikon D7000. The issue I've found in number of pics I've taken (in P mode) is that whenever the scene ...
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votes
3answers
2k views

Where to get a dynamic-range test chart?

Where can I get a good chart to measure dynamic range? This would probably be a plastic or cardboard which would show stripes of different reflectance in small increments, preferably 1/4 EV or ...
4
votes
3answers
455 views

What does the under/overexposure warning mean in image editing software?

We all know exposure warnings that a digital camera offers: If shows which parts are so bright or dark that there's no more distinction towards even brighter or darker areas possible. Meaning that ...
4
votes
2answers
311 views

Why does the Pentax K-01 have less DR than the Pentax K-5?

I thought that the K-01 and the K-5 both sported the same sensor, but checking their specifications in Snapsort I found that their Dynamic Range is different by a little bit more than 1 EV (12.9 EV vs ...
4
votes
2answers
576 views

What does the term “saturation luminance” mean in the definition of dynamic range?

The concept behind the dynamic range definition given by ISO 15739 is based on the ratio of the maximum luminance that receives a unique coded representation (the "saturation" luminance) to the lowest ...
4
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1answer
1k views

what's the relation between sensor size and image quality (noise, dynamic range)?

I'm reading this description on sensor size: Digital compact cameras have substantially smaller sensors offering a similar number of pixels. As a consequence, the pixels are much smaller, ...
4
votes
2answers
1k views

What is the best practice in using LR/Enfuse?

I have Lightroom 4 and have downloaded LR/Enfuse for Mac. I have checked out the information on using Enfuse but with my endeavours are not that happy with the results. That is I was expecting a ...
4
votes
2answers
1k views

How to set exposure for photographing a high-contrast subject?

I have a dog that is notoriously difficult to get good photographs of. This is because he has a dark facial mask, some lighter tones on his face and particularly sides, and nearly white legs. So ...
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votes
4answers
1k views

Does using a different lens affect the dynamic range for HDR post-processing?

I am a bit new to HDR photography and lately I have been trying to carry out the post-processing with Photomatrix. After many trails and errors, I am still unable to get the effect that many other HDR ...
3
votes
1answer
575 views

How do you photograph sand dunes?

In 2010 I was lucky enough to visit Death Valley. While we were there we went to the sand dunes. I took this shot Its not how I remembered the scene, It seems as if a lot of the detail has been ...
3
votes
4answers
837 views

How critical is it to expose raw images correctly?

I have been thinking about the Zone System and its goal of maximising image quality given the limitations of film sensitivity and the necessity to choose specific developing parameters. Clearly you ...
3
votes
2answers
426 views

Is the dynamic range affected by exposure time?

For a given scene, if I take 2 similar shots: short exposure time (maybe using higher aperture, higher ISO...) long exposure time (lower aperture or ISO) The goal is to have the shots with the ...
3
votes
2answers
84 views

How to shoot bright purple lights against an overall dark scene?

I've recently shot the following photo (f/8, 4.0 s., ISO 100): In post-processing, it appeared that: The magenta channel was practically blown out, and I had a choice to either reduce/desaturate ...
3
votes
3answers
244 views

How to adjust exposure for both the sky and the landscape?

I am using Canon 600D. I am facing a problem in composing, where I will be taking pics at mid day with full of sunlight, half of my frame filled with with sky and other half any scenery (may be a ...
3
votes
1answer
219 views

What is the relationship between ARW delta compression and dynamic range?

I read this article about the fact that Sony AWR is not a lossless RAW format, but, rather, an 11-bit + 7 delta compression. According to DXOmark, the dynamic range of A7r is 14.1, as opposed to ...
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votes
2answers
514 views

Would scanning the same negative at different exposures give a better result?

For a while I have got developed and scanned my 35mm negatives by a lab/shop. The quality of the scans is not satisfying me (a lot of noise and images are not sharp). I was thinking of buying a film ...
3
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1answer
164 views

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). ...
3
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1answer
122 views

what is the response curve?

I was reading in a book about the dynamic range and several times I find the expression "responsive curve" or "image's responsive curve"? What does the responsive curve represent? What is the ...
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3answers
3k views

If landscape photography is my focus, does it make sense to use Nikon over Canon?

Lately I have switched gears and am starting to focus further on landscape photography over portraiture. In my research it has become apparent that Nikon seems to have a significant advantage in ...
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2answers
933 views

If I need the higher ISO anyway, is there any downside in using Fujifilm's extended DR mode?

Fujifilm has an extended dynamic range mode, which is in some way linked to ISO. The X-Pro 1 has a sensor with a base ISO of 200; if I enable "DR 200%", the minimum possible ISO increases to 400, and ...
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votes
4answers
254 views

How many exposure stops can I “recover” from a RAW file?

I shoot RAW because the Pros say "shoot RAW". I also shoot bracketed because in a lot of situations (landscape for instance) I can blend them and expose both the terrain and sky correctly. But my ...
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1answer
278 views

How do I measure the saturation luminance?

This question discusses how to measure the dynamic range of a camera. How can I measure the saturation luminance? A complete example would be most appreciated.
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2answers
961 views

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?
2
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1answer
173 views

Contrast (or dynamic range) enhancement for very bright images [closed]

I have a scientific application where I have a very bright image - basically a laser beam cross-section - and want to detect very small variations in brightness (around 0.01% or less) within it. ...
2
votes
1answer
380 views

How to understand the definition of dynamic range?

I have the following formula: DR=(1.4L_Sat G_i)/N_D where DR is the dynamic range; L_sat is the luminance at the “margin level”,70.1% of the maximum recordable (saturation)luminance(yes,L_sat is ...
2
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1answer
125 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?
2
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1answer
180 views

Real world Dynamic Range

I am confused with the science of electronics, regarding cameras and sensors. I have read the posts and answers here and elsewhere. All I walk away with is the electronic specs of cameras and sensors. ...
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vote
4answers
372 views

How to photograph a lightbulb?

I am trying to take a dramatic picture of a lit CFL with my 6-year-old Canon Powershot SD750 equipped with CHDK. It's pretty common simply to turn the exposure all the way down, but I wanted the whole ...
1
vote
4answers
2k views

Do RAW files really allow more RAW dynamic range than shooting in JPG?

I've heard a lot of time people saying that shooting in RAW offers a better dynamic range than shooting in JPG. But in some way I've always felt it as hard to believe. So, the question is: there is ...
1
vote
1answer
183 views

What are the main limiting factors for dynamic range in modern cameras?

Another question got me thinking about what is limiting dynamic range in digital cameras. From my understanding the precision of the analogue-to-digital converter, i.e. how many discrete levels it can ...
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vote
1answer
115 views

Why is a camera's dynamic range expressed as its photosite capacity divided by the read noise level?

For example, if a camera has a dynamic range of 44900/10, why would the range of greyscale levels available is equal to 4490? I know that 44900/10=4490 but this kind of reply didn't satisfy me. Let's ...
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vote
1answer
72 views

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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vote
2answers
120 views

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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3answers
3k views

How significant is difference in dynamic range between Sony A7 and Canon 5D Mark II?

I'm still trying to make a choice between these two cameras. The dynamic range is important thing to me. Many people say that the first one has a wider dynamic range. Even DXO Labs shows 14.2 EVs of ...
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vote
2answers
261 views

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 ...
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vote
3answers
2k views

What's the dynamic range of the iPhone 6 Plus?

... or other mobile devices such as the iPhone 5s, Nexus 6 or iPad Air 2? Everyone says that the dynamic range of mobile devices is lower, but how much lower? For comparison, an APS-C camera like ...
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2answers
251 views

How does dynamic range relate to white balance?

Is there a relationship between dynamic range and white balance?
1
vote
1answer
74 views

Why are details lost when dynamic range is high?

I have read in many blogs and forums that when we have a larger dynamic range, we may lose details. Of course, I have experienced completely white areas in taking photos with bright sky. As far as I ...
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vote
1answer
162 views

Will black level of one sensor reduce its dynamic range?

For one camera, the black level of the sensor will make the output non-zero when it is covered. For example the output of the sensor is 10bit and black level is 63, if the output is reduced by black ...
0
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1answer
2k views

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 ...
0
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2answers
255 views

Why do some professional DSLRs have a lower dynamic range than the mid-range ones?

Specifically I'd be interested to know why the D4 has a 13.1 EV range and the D7000 has a 13.9 EV range?
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1answer
228 views

Camera dynamic range and Lightroom exposure slide

I have the Nikon D600, at ISO 100 has more then 14 EV of dynamci range. Now if I shoot a photograph in raw file and open it in Lightroom, with the exposure slide I can go only +5EV and -5EV. I am ...
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2answers
160 views

How do the Canon 5DS R and 5D Mark III compare in dynamic range?

Canon 5DS R vs 5D Mark III (current camera) — Is the dynamic range the same? Should I move to a Sony sensor? More megapixels is good, but Sony sensors (Sony A7R II/Nikon D810/Pentax 645Z) have ...