Alley in Pisa, Italy

by Lars Kotthoff

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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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2answers
792 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 ...
3
votes
4answers
857 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
359 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
557 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
249 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
1answer
85 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 ...
2
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3answers
2k 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 ...
2
votes
4answers
817 views

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 ...
2
votes
2answers
758 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 ...
2
votes
1answer
210 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.
2
votes
1answer
150 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
298 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
votes
1answer
114 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?
1
vote
4answers
475 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
102 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 ...
1
vote
1answer
56 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 ...
1
vote
1answer
59 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 ...
1
vote
2answers
122 views

How does dynamic range relate to white balance?

Is there a relationship between dynamic range and white balance?
1
vote
2answers
296 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?
0
votes
2answers
149 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 ...
0
votes
2answers
173 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?
0
votes
1answer
237 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 ...