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Exposure is the total amount of light allowed to fall on a sensor or film during the taking of a photograph. This is determined by the exposure time (shutter speed) and amount of light admitted (lens aperture). Today, sensor/film sensitivity (ISO speed) is often also considered to be part of ...

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6
votes
3answers
2k views

What is the EV scale?

I have seen an "EV" (exposure value) scale that's sometimes used to express a camera's exposure settings, or scene brightness. How exactly does this scale work?
3
votes
4answers
664 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 ...
13
votes
7answers
579 views

Why can't digital camera sensors expose each photosite individually?

Why is it impossible for camera sensors to function the way the human eye can? What I mean is, why does a certain portion of the image have to be over/underexposed if we compensate for dark and light ...
7
votes
2answers
257 views

How can I salvage an HDR image from non-optimal source images?

During a recent wedding, I took a number of shots with my Nikon D90 at different exposures, hoping to merge them into HDR pictures. However, it was done in a hurry, i.e. with no auto-bracketing or ...
7
votes
4answers
683 views

Is there a good use for program exposure modes?

The question about how programed exposure modes work made me wonder. Are there situations where a program mode is good for some reason, not just as a convenience or because you don't understand ...
2
votes
4answers
497 views

How does this TLR camera expose properly?

I found a DIY TLR camera kit that lets you build the camera from parts, then use it to take photos. What I don't understand, is that the specs list: 1/150s shutter speed; f/11 aperture From that ...
8
votes
4answers
9k views

How does TTL flash work in manual exposure mode?

I got the Metz 44 AF-1 flash recently that is TTL capable for my Canon 550D, and have been reading around to get a better understanding of using flash on-camera (Neil Van Niekerk's article on flash ...
0
votes
2answers
4k views

Why is exposure meter reading not changing in Manual mode?

I own a Nikon D90. I am new to exposure setting. In Manual mode, I could see the exposure meter changing towards right of zero and towards left of zero informing about under exposure and over ...
16
votes
6answers
12k views

How do I make picture from my Canon Rebel more dramatic and colourful, via camera settings if possible?

I have just started clicking with my new Canon DSLR camera and while I'm getting used to its functions and settings, I was intending to get the colours more vibrant while clicking my pictures. Any ...
13
votes
5answers
723 views

Why are only certain shutter speeds or apertures available?

For the exposure control function DSLRs there are specific shutter speeds available. For example there are 1/4, 1/100, 1/500. Why, even in high end DSLRs, is there no option to use a custom shutter ...
6
votes
3answers
269 views

Should I set exposure on my camera or later with software?

With most cameras (Point-n-Shoots and DSLRs) I have always seen exposure settings for exposure. My question is this, should I mess with exposure in the camera while taking the shot or use software ...
5
votes
1answer
516 views

Bracketing with ISO or exposure time?

With old cameras, you had film with fixed ISO and you could bracket your shots by either adjusting the f-stop or exposure time. Normally, if I have enough light, I prefer to keep the f-stop constant ...
2
votes
1answer
451 views

How does Sunset Mode affect exposure on Canon A800?

I was puzzled recently when I did some test shots with my Canon A800 by shooting the same (landscape) scene with and without full optical zoom and with the camera program set to SCN - Sunset. (Sunset ...
4
votes
3answers
685 views

Why are there multiple contradictory ways to control flash ratio?

I am reading the following introduction to flash photography: http://www.cambridgeincolour.com/tutorials/camera-flash-2.htm In this article, I came across two seemingly contradictory statements: ...
14
votes
2answers
2k views

How can I think logically about getting correct exposure with flash?

I recently got a new off-camera flash (Nikon SB-700), and I'm having trouble thinking about the variables that go into proper exposure. For example, without flash, I have a little mental decision ...
4
votes
4answers
371 views

Are there any situations in which it makes sense to raise the ISO in bright daylight?

Are there any situations in which it makes sense to raise the ISO in bright day light? For example, this pic has been taken in bright day light with ISO 3200, f18, 1/1250: ...
6
votes
4answers
846 views

How to correct photos which were overexposed at the edges only?

I'm dealing with a set of photos where a model was photographed against a white backdrop. The problem is that due to the setup, way too much light reflected off the backdrop. So the model's face (for ...
4
votes
5answers
6k views

How do I check the exposure meter reading on a DSLR?

I'm a beginner, and I have a Nikon D5100. Many times I come across the suggestion to "Check the meter reading for exposure." Where can I find this reading and how do I read it?
8
votes
3answers
1k views

Why meter off sky, then change aperture and shutter speed?

In section "Night and Low-Light Phtography" that starts on page 128 of Bryan Peterson's "Understanding Exposure" book, he has several examples where he (spot) meters off the sky with a large aperture, ...
4
votes
4answers
2k views

Why does my Canon 60D sometimes lengthen exposure when using the flash?

In low light conditions, my first shot will often be handheld with no flash. If there's not enough light however, the shutter speed can be too slow and I'm not steady enough for a crisp image - so ...
0
votes
4answers
3k views

Why am I getting overexposed shots in P mode with a D7000?

When using my D7000 I often have the feeling that it overexposes by 1/3 or even more, on the P programme - it also depends on the lens. Is it just me? Or am I doing something wrong? EDIT: Exposure ...
21
votes
6answers
8k views

What is one “stop”?

I always hear this term, e.g., I had to go down one stop Increasing X by Y raises Z by one stop I turned down the flash/the light two stops This lens/sensor/strobe/Photoshop tweak raises X by ...
10
votes
2answers
299 views

What is “photometric exposure”?

What is "photometric exposure," and how is it related to what is commonly called "exposure" and "exposure values"? I have also seen the term "radiometric exposure" used to describe a similar ...
4
votes
4answers
1k views

What's the best way to take cityscape photos on a night boat cruise?

I'm going on a boat cruise tonight in London. What's the best way to take photos of the riverbanks from the boat at night? My kit includes: Nikon D7000 Nikkor 35mm f/1.8 Nikkor 16-85mm f/3.5-5.6 ...
3
votes
2answers
815 views

What advice would you give for taking photos on a boat cruise at night?

Tomorrow I will be going on a boat cruise in the evening in London. I will no doubt be looking for photo opportunities on the boat, both of people, as well as the landmarks/surroundings. I'm pretty ...
1
vote
0answers
151 views

How to achieve even brightness in landscape photography? [duplicate]

Possible Duplicates: How can I get the right exposure when parts of the scene are in the shade and others are in the sun? How to cope with high contrast? Today I went for a walk with my ...
5
votes
4answers
1k views

How does one deal with too much light when taking a photo?

How does one cancel out extra light while clicking a photo? Is decreasing the aperture a better option, or using a faster shutter speed? What are other options we could try?
1
vote
3answers
428 views

What filter should I use to avoid overly-whitened daylight images?

What filter should I use to avoid whitened images (blown highlights) caused by intense daylight? At the moment I am only using an UV Filter, but it doesn't solve the whole problem. I am a newbie in ...
2
votes
4answers
353 views

Why does my camera's meter suggest the same exposure time for lenses with different apertures?

On the same camera body (Canon 1Ds MkII) at the same ISO setting (400) and with no filters attached, two different lenses give the same exposure time (0.4s) at very different apertures. The lenses and ...
12
votes
5answers
4k views

What camera settings should be used to capture sky shots without over exposing the clouds?

I have spent some time photographing landscapes with blue sky and white clouds, but the clouds always come out overexposed. I have tried different settings and still have the same result. What should ...
0
votes
0answers
58 views

Different sources of noise and ways to avoid/correct those [duplicate]

Possible Duplicate: What types of noise can be present in digital photographs? I've few questions related to noise found in digital images. There are topics on this forum on underexposure ...
0
votes
1answer
211 views

How quick are you able to set the exposure on the Sony NEX-C3 (or other cameras like it)?

Background I am considering the NEX-C3 as a nice camera to take on trips\shoots\vacation\outing\etc where my DSLR would be too large but I do not want to sacrifice my ability to set the exposure of ...
1
vote
2answers
4k views

What causes outdoor photos to turn out bright white when taken with a digital camera?

I set my Canon Powershot A460 to automatic mode and took photographs outdoors. When I see the to-be-photographed area on the LCD, it appears normal; but when I take a picture, the photo turns out ...
9
votes
4answers
593 views

How can I get the right exposure when parts of the scene are in the shade and others are in the sun?

Have a look at these snaps. On the first one the church has the right exposure but the tree is too dark. On the other hand in the second one the tree is perfect but the church is too bright. Is there ...
8
votes
6answers
542 views

Can photographers pre-visualize complete camera settings of a scene in their heads?

Can an experienced photographer walking down the street with no equipment visualize exactly what settings would work with a particular lens/body to capture a scene at that moment in time? Similarly ...
4
votes
2answers
905 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 ...
4
votes
7answers
5k 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 ...
15
votes
5answers
2k views

How can I handle two extremely different brightnesses in the same picture?

I am the fresh owner of my first DSLR (a Canon EOS 600D, as far as I know called Rebel T3i in the USA). I'm a total newbie, and the camera is a lot smarter than me most of the time. But I'm trying to ...
6
votes
3answers
1k views

How to get meter reading for a DSLR if not from a gray card?

I read an article called Expose (to the) Right, which explained why you should try to get the graph of the histogram as much to the right of the scale as possible. The reasoning is that DSLRs record ...
5
votes
1answer
470 views

What is the logic behind “Brother Backlit Sky” in the book Understanding Exposure?

I don't know if this question is too specific, but after reading Understanding Exposure, I can't understand very well the reasons and logic behind Brother Backlit Sky and their brothers. Although I ...
10
votes
6answers
1k views

What are typical situations where you should use auto-exposure lock (AE-L)?

What are the typical situations where you should use AE for locking exposure?
15
votes
6answers
3k views

Why are blown highlights particularly bad in digital photography?

I've heard that digital sensors are less "forgiving" of blown highlights than film. Why is this? There's something called "characteristic curves". How does this relate, in film and in digital? Can ...
25
votes
9answers
2k views

When is it okay to have blown highlights and shadows?

I've always worked very hard to avoid absolute white and absolute black in my photos. But I think maybe I'm working too hard. When is it appropriate to have blown highlights / shadows? Are there ...
3
votes
4answers
17k views

How do I change the exposure setting in manual mode on a Canon EOS 550D?

I have recently bought a Canon EOS 550D. In the Manual Mode, I am unable to change the exposure level. What am I missing here? I am sure there must be a way to change it.
5
votes
2answers
2k views

How to reduce the effect of bright day light in the photographs?

This photograph was taken at around 9:30 AM. The sunlight was bright. I can't shoot in raw. I have adjusted the brightness and the contrast by which at least the tree is appearing brighter. Look at ...
11
votes
6answers
28k views

How to take pictures in a dark room?

I'm a total newbie to photography. I have a Nikon D90 and at the moment I'm trying to learn how to actually use it. I've noticed that whenever I shoot in a dark room with the on-camera pop up flash, ...
13
votes
9answers
6k views

How do I take a portrait at night with detail in the background instead of just blackness?

I was trying to make a photo of my girlfriend around 9 pm with a D7000, Sigma 24-70 2.8, and SB-900. She was in the center of the frame, taking up about 20% of the frame. About 40% was taken up by ...
14
votes
5answers
978 views

What's a good ad-hoc replacement for a gray card?

I know that a real gray card is the best thing to use to determine exposure. But I'd like to know if there are other naturally available features that can be used in a quick and dirty way. Are fields ...
5
votes
2answers
3k views

How do I take automatically bracketed exposures with the Canon XSi?

I'm trying to help someone with a Canon XSi. I'm not used to the Canons that use menus (rather than buttons on the body). Does anyone know how to set up the Canon XSi to take a bracketed exposure of ...
8
votes
3answers
813 views

Why do two different cameras using the same settings produce photos with different exposure levels?

Please refer to this photo: The image on the left was taken with a Panasonic GH2, a micro-4/3rds camera with a crop factor of 2, and the right one was taken with a Nikon D700, a full-frame camera. ...