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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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14
votes
2answers
712 views

When comparing sensor dynamic range, what are those numbers based on?

Dynamic range EV's are bandied about all the time and I get the feeling that a) they're not on the same 'scale' and b) they're misleading in what they're indicating so I'm hoping somebody can clarify. ...
8
votes
5answers
1k views

How do different aperture and shutter settings affect a photo with the same overall exposure?

Ok, here's my doubt. Suppose I want to get a certain exposure for an image. Keeping the ISO constant, there are two tentative possibilities here: Put the camera at f 1.4 (say) and at 1/1600 shutter ...
24
votes
5answers
2k views

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 ...
13
votes
6answers
1k views

Can you fix incorrect exposure during post processing?

If a photo is over or under exposed but not to the point of clipping (histogram does not reach the left or right side) is there any reason you couldn't just fix the exposure in Photoshop or Lightroom? ...
10
votes
4answers
839 views

Do any other manufacturers other than Canon use the terms Av and Tv?

Canon uses "Av" (aperture variable) for the automatic exposure mode that entails the user choosing the aperture and the camera body choosing the shutter speed. This mode is called "A" by Nikon, and I ...
29
votes
6answers
9k views

How do I use spot metering?

What's the right way to use spot metering? Is it better to use in manual mode than one of the priority modes? There's a question about when to use spot metering, but none that serves as a tutorial to ...
17
votes
5answers
2k views

Does longer exposure increase saturation?

I have read that longer exposure times lead to increase/improved saturation and that landscape photogs use ND filters to allow for longer exposures to get better saturation. Is this true and does ...
13
votes
2answers
755 views

Capturing vapour or faint steam

I was trying to capture a scene that was in a dark area with a bright background. There was faint steam that I wanted to be the focus of the picture. I tried first by having a very large aperture and ...
3
votes
1answer
760 views

Creating Proper Exposure with a Pentax PZ10

Not long ago, my Pentax K1000 was damaged and I upgraded to the Pentax PZ10 (both film cameras). I feel lost with trying to get the right exposure on the PZ10; with the K1000 I used a third-party ...
10
votes
5answers
4k views

Should I use Manual or (semi-)automatic mode for timelapse in changing light?

I'm planning a long road trip (east coast to west coast, about 45 hours of driving) and am thinking about shooting a time-lapse video of my drive. As I can expect the light levels to change pretty ...
10
votes
4answers
5k views

What are good exposure and timing choices for time lapse photography?

I am shooting a time lapse and am doing some calculations beforehand to make sure I get everything right. I am shooting a road trip from the west coast to the east coast and am planning to compress ...
21
votes
1answer
845 views

What is “reciprocity failure”?

What is "reciprocity failure" when used in the context of film?
10
votes
2answers
398 views

Why does exposure compensation have no effect with my hotshoe flash?

Taking photos with my Canon XTi and 550ex. Camera exposure compensation did not seem to effect the exposures. I figured out I needed to use the on-flash exposure comp. But the flash output is ...
47
votes
4answers
3k views

What is Ansel Adams' “Zone System”?

I've heard much of Ansel Adams' Zone system, but I've never quite understood it. What is it, how and where is it used, and is it still useful with modern (digital) cameras? Thanks!
17
votes
3answers
8k views

How do I predict exposure when using flash?

So I've got the basics down for the exposure triangle, but sometimes you just need to add more light to the room and the flash can be the most convenient way of doing that. The problem is that the ...
20
votes
4answers
536 views

What's “real” and what's “virtual” on a (digital) camera?

I recently upgraded from a standard compact digital camera to one of the newish "halfway cameras", hoping to get a bit better at taking photographs through having a little more control over the ...
88
votes
6answers
14k views

What is the “exposure triangle”?

What is the exposure triangle? How do the "sides" affect my photographs?
23
votes
9answers
1k views

How can I take pictures of far-away mountains to the South?

I'm trying to take some pictures of a pair of mountains to my south. The distance is about 20 miles away. I'm running into the following problems, and I'm wondering what you guys might suggest to get ...
26
votes
7answers
4k views

When to use shutter priority instead of aperture priority?

Under what circumstances would you use aperture priority vs. shutter priority and vice-versa? I typically don’t use shutter priority (ever) and favor aperture priority to try to get a max aperture ...
6
votes
4answers
5k views

What does “long exposure” mean?

Very often, when people are talking about photography, they use the expression "long exposure". Here's a quote from a recent answer: A tripod and long exposure were required for this shot. Where ...
12
votes
3answers
656 views

How do you photograph Christmas Lights?

How can you best photograph Christmas lights? I've had tons of problems, the auto-meters don't work at all, and I'm fairly clueless, other than to get a tripod and keep trying until something ...
8
votes
2answers
2k views

Creating silhouettes in a studio environment

The trick to creating silhouettes in the field, as far as I know, is to use spot-metering and to expose for the background. However, this is a bit more difficult in a studio environment. What is the ...
10
votes
3answers
811 views

How do I use the different shutter speeds my camera offers?

If I use a shutter speed below 1/30 on my Nikon P100, I get extremely dark images which are completely unusable. If I use the flash, it comes out fairly bright but just not natural. My camera ...
21
votes
6answers
555 views

Are there specific techniques/filters for snowscapes?

It is fast becoming winter, and this will be my first winter that I have a decent camera, so I was wondering how to make the most of the seasons beauty. I am wondering if there are any techniques ...
11
votes
5answers
1k views

How do I effectively photograph when the sun is in the frame?

I have been trying to get a good shot out of direct sunlight but my shots just turn out dark, even if I set my shutter speed to the 1000-4000 range at ISO 200. Another odd thing is that even if my ...
65
votes
10answers
15k views

How should I photograph falling snow?

We don't get much snow in the UK, so I don't have much experience photographing it, and when I tried photographing falling snow last year I found it very hard to capture the snowflakes in the air — ...
12
votes
2answers
489 views

How do I use the +/- scale of the light meter in my camera?

I have just recently used the metering scale. I assume that if the scale arrow points in the middle, this means that the camera detects that the current exposure settings are the "right" ones. ...
8
votes
1answer
382 views

Alternative photosensitive materials

Apart from film and photographic paper, what are the most interesting photosensitive materials on to which photographic images can be successfully exposed? For example, the artists Heather Ackroyd ...
13
votes
8answers
626 views

What exposure mode and techniques should I use when out-and-about?

I'm interested to hear what exposure/metering techniques people use when taking out-and-about shots (no tripod). I almost always have my camera set to Aperture Priority mode, and I suspect most people ...
39
votes
5answers
4k views

When best to use Multi-Zone/Matrix, Spot, or Center-Weight?

What are Multi-Zone/Matrix metering, Center-Weighted metering, and Spot metering? What about Partial? Is there a good rule of thumb, or a few pointers, on when best to use each metering mode?
14
votes
4answers
1k views

How to maximise contrast range of distant landscapes with blue haze?

Distant landscapes often appear hazy, washed-out and blue due to Rayleigh scattering. What can be done to maximise the contrast range of the exposure when photographing such scenes? For example: ...
19
votes
5answers
2k views

What is exposure compensation?

What does exposure compensation do? If I take a photo with a given shutter speed, aperature, and ISO, and then take the same shot with +1EV or -1EV, what is actually happening? Is this just a gain ...
13
votes
4answers
266 views

Why do cameras often produce digital images that benefit from levels adjustment?

See: http://www.cambridgeincolour.com/tutorials/levels.htm In the examples on that page, the original image doesn't have any pure white or pure black in it, so contrast can be added by changing the ...
15
votes
3answers
648 views

What is an effective exposure strategy?

What strategy do you follow when setting ISO, shutter speed and aperture to achieve the correct exposure? Do you have different strategies for different shooting conditions? I believe that all ...
8
votes
3answers
316 views

Which setup should I choose for taking pictures of Trick-or-Treaters tonight?

I've dug up my dad's old Pentax K1000 SE, along with his old lenses, and picked up some 400 film. I'm wondering which of these lenses I should go with to get the best shots tonight (outdoors, no ...
24
votes
3answers
2k views

What is the meaning of “white balance”?

I would like to understand the term white balance. My camera has settings for white balance with the following options: Auto white balance Daylight Cloudy Shade Flash Incandescent lights White set1 ...
7
votes
2answers
548 views

Metering mode in panasonic Fz35

I am new to photography, recently I bought a new camera which is Panasonic Fz35 which has lots of nice features in it. However while browsing through the settings mode, I found an option for Metering ...
2
votes
2answers
143 views

Is my Rebel broken?

Today I got a Canon S90 and took a few shots in the Auto mode. The images are perfectly exposed and the well balanced color in both outdoor shots and indoor shots under fluorescent or incandescent ...
46
votes
5answers
17k views

Tips for landscape+stars photography?

I'm leaving for holidays tomorrow, and there's a good chance that I'll be able to be by night on a field with no artificial light around, and no moon in the sky. I'd love to take some picture of the ...
11
votes
6answers
599 views

How do I compensate for a bright sun with a point and shoot?

So I'm in the bright sun with no shade around. What can I do to minimize over exposure and shadows with just a regular point and shoot? Should I go into "manual" mode? If so, which mode and what do ...
15
votes
4answers
2k views

What are general rules for ISO settings?

Being a novice in photography and reading about preferable settings of my camera I'm a little bit confused about ISO settings. Sometimes I'm advised to set as little ISO as possible to have higher ...
16
votes
4answers
1k views

ND filter or exposure compensation?

I was at the camera shop a few weeks ago looking for a neutral density filter, so I could play around with long exposure shots without overexposing. The guy at the camera shop told me I didn't need a ...
10
votes
3answers
2k views

What is sync speed?

When referring to flash exposure, what does "max sync speed" mean?
20
votes
5answers
1k views

What is mirror lockup and what is its primary function?

My SLR is equipped with a mirror lockup function. What does it do, and when would I employ such a feature?
30
votes
6answers
1k views

What is the best technique for long-exposure photography in good light?

Can anyone offer any tips on achieving long exposures (with the intention of blurring water, clouds etc)?
4
votes
3answers
1k views

Is shooting multiple exposures the best way to do night portraits with the E-PL1?

I recently had the experience where I was attempting to get a night portrait of someone but still maintain some of the background. For example, getting an image of someone on top of Rockefeller ...
17
votes
10answers
3k views

What is the 18% gray tone, and how do I make a 18% gray card in Photoshop?

I have heard about 18% gray tone — what is it really, and why 18% (and not 20% or some other value), and how can I make it in Photoshop?
12
votes
3answers
1k views

How can correctly measure light using a built-in camera meter?

Many times I shot photos, but the photo is some times too bright or too dark and the colors are incorrect. Some times the white on the photo is not the white that I have on background but gray and I ...
25
votes
6answers
2k views

When should I use graduated ND filters and when should I use HDR processing?

I'd really like to stop blowing out the sky and/or underexposing the ground in my pictures. The traditional solution would be to use graduated ND filters, but taking multiple exposures and applying ...
23
votes
3answers
2k views

In Lightroom 3, what is the difference between exposure and brightness?

What's the difference between adjusting a photo's exposure versus its brightness? I created a virtual copy of a photo. The original's exposure was increased 1 stop. The other got an increase in ...