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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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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?
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1answer
476 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 ...
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2answers
220 views

How to create awesome nature time lapses

Please have a look at these amazing time-lapse videos: https://www.youtube.com/watch?v=uFNWEKHHBFQ https://www.youtube.com/watch?v=mcixldqDIEQ I just don't get how they do it. I am a fairly ...
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2answers
366 views

Develop Canon Raw images on Mac OSX via command line into mutliple tiffs for pseudo-HDR

What is the best way to convert on the command line a Canon raw file (CR2) into 2 or 3 differently exposed tiffs for HDR/tonmapping? I would like to use Apple's sips, but couldn't find anything to ...
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4answers
1k views

What's the difference between holding a half-pressed shutter button and pressing the AE lock?

As I have been looking around today the AE lock button is supposed to lock in the focus and exposure settings (aperture and shutter) so that the picture can be recomposed before taken. I also believe ...
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1answer
297 views

Is there a way to correct exposure on photos in a panorama taken without AE lock on?

I made a stupid mistake on some of my pano's I shot this past weekend, I forgot to hold AE-lock. Now I've got about three photos that I can't use due to difference in exposure on them. Is there a ...
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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 ...
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1answer
210 views

How do I compensate for lack of exposure lock on a Canon AV-1?

I just got my first roll of film printed and noticed that some of the exposures were off. I don't know why I didn't notice this before but there isn't an AE-lock on the Canon AV-1. My question is, ...
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1answer
460 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 ...
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2answers
103 views

How large an exposure difference before it's noticable?

I'm being forced to work with a shutter that jitters (e.g., a 1/60 shutter could be anywhere between 1/59 and 1/61). I can't change the hardware, so please don't suggest that. I would if I could. ...
5
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2answers
610 views

Should my Nikon D3100 adjust settings to allow for use of flash in AP or SP mode

When I'm shooting with the onboard flash in low light conditions, I observe the exposure preview settings between no flash and the flash popped up - there appears to be little or no difference between ...
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0answers
106 views

How can I take slow, wide-open photos in bright light? [duplicate]

Possible Duplicate: What are neutral density filters and how do I use them to create long exposures in daylight? I like to take photos of motorsports and high speed action. Sometimes I use ...
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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 ...
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5answers
2k views

What's the difference between exposure and shutter speed?

Is there a difference between exposure and shutter speed, or are the terms interchangeable? I read that "If you use a quick shutter speed, you can just raise the exposure to compensate." Is this ...
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4answers
310 views

When is it realistic to take a non-flash picture of someone outside after sunset?

This is a question from a non-photographer. I'm writing a scene for a stage play. In my scene, there's a celebrity in crisis in a park after sunset and a photographer who'd dearly like to get a ...
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4answers
362 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: ...
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3answers
643 views

Why would one recompose after setting exposure?

I am reading Bryan Peterson's book Understanding Exposure. Quoting text from the book: I set up my camera and 75-300mm lens on a tripod. I set my focal length to 130mm and aperture to f/32 and ...
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4answers
589 views

Why are these light trails large blobs of light instead of nice thin lines?

I'm trying to shoot a traffic light trails with my point & shoot camera (Panasonic Lumix DMC-LZ8). But the oncoming vehicle headlights are appearing as large blobs of light and not exactly thin ...
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3answers
320 views

When should I use exposure compensation?

When should I use exposure compensation, rather than ISO, shutter speed or aperture?
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2answers
315 views

Why not expose for a cloudy day as a cloudy day?

We all know how cameras try to meter the scene as if it is 18% gray. That's why we should dial in +1 or even more when shooting on a snowy day and -2 for a night scene. What about a cloudy or ...
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3answers
657 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: ...
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5answers
5k 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?
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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 ...
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1answer
6k views

How do I use the manual exposure setting in the new Google Camera app?

In April 2014, Google revamped its Android camera app. In the settings menu under "Advanced", there is just one option: Manual exposure. It defaults to off, but after turning in it on, I can't find ...
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2answers
146 views

Does a flash's TTL automatically adjust as I change its location?

I just bought a radio trigger for my flash. I was just wondering if I understood TTL correctly, as I move the flash around and changes the distance does TTL automatically try to compensate (assuming ...
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4answers
1k views

How to use built-in flash with off-camera 430ex ii on my Canon 600D

I have a 430EX ii speedlite which is controlled by the built-in transmitter in my 600D. I want to use the built-in flash as a fill light while using the off-camera speedlite as a key light. How can I ...
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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 ...
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2answers
399 views

How to fix the exposure of a snow scene which came out gray?

I’ve got a video and a photo shot in the same day and same place. But my camera (GoPro Hero 3, 720p) doesn’t allow to customise settings and video is very poor quality. I tried to fix this using ...
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2answers
142 views

How can I fix this brighter part in the middle of people forehead?

I'm trying to fix this brighter part of a person forehead because of the over exposure. How can I fix this part to match the other color on the forehead in the picture?
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3answers
983 views

How do TTL flash metering systems calculate how much power is needed?

Does anyone know how TTL calculates the amount of power to put in after the preflash is done? I understand that the value is somewhat brand specific, but what is the general logic? Because if you ...
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2answers
2k views

How to set shutter time on an Android phone?

I am trying to make a LED Pen as shown here. For this I require a camera that allows exposure time of ~20s. I don't own a SLR/DSLR/Digital camera. I have a 5MP camera on my phone. I wanted to ask if ...
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2answers
865 views

How to get a smooth gradient on sky?

I wanted to capture this beautiful dawn. The colors came well but the gradient is banded, if you see closely. I know we can post process the image to smooth it out, but I would like to directly ...
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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 ...
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1answer
99 views

Uneven exposure with Sony a35 - one side of image much lighter than the other [on hold]

My camera Sony a35 all of a sudden started taking photos with one side lighter then the other - almost white. And it's worse with outdoor settings. I have tried cleaning the lens filter and that ...
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4answers
220 views

Good way to overcome backlit subject from distance with no assistance?

I was taking pictures of my kids outdoors and they were often backlit as they ran around. Since I wanted to isolate them from the background, I was shooting from distance (close to 200mm focal length ...
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2answers
871 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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4answers
751 views

P-Mode on Nikon D5100: What are some use cases?

I am using D5100 for around 6 months. I have basic ins-n-out understandings of the camera including A/M/S-mode. In, most scenario, i understand what to use. Else, figure it by trial-n-error. But, in ...
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2answers
351 views

Should I shoot in RAW format to get lighter and sharper images?

Most of the time I have problem with the lightning of my images even after post processing with Adobe Photoshop. I searched the net and I found that people use the RAW format instead of jpg. Do I need ...
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7answers
601 views

Can ISO vary on different cameras?

We all know that [ISO] + [shutter speed] + [aperture] = a great picture. Now, let's take two different (very!) cameras: Nikon D3100 vs Nikon D800 and set them on Aperture priority. Settings for the ...
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3answers
3k views

Night-time football game under field lights

I am shooting a little league football game at night under the field lights for the first time amd I have a few questions to ask. I will be using the Canon EOS 60D camera with a Canon 24-70mm 1:2.8 L ...
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3answers
2k views

Long exposures without turning night into day

When taking Night Photography you will use long exposures. Sometimes these exposures can be very long. My question is this: How can I take long exposures without turning a night scene into a scene ...
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4answers
407 views

How to best view test shots on camera LCD in bright, outdoor photo shoot

A couple weeks ago I did a basic outdoor photo shoot for a family. It was mid day, and the sun was out. I took test shots initially and when viewing the shots on my DSLR's LCD screen they appeared to ...
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4answers
15k 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.
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2answers
156 views

Can I reproduce a photo taken with a larger sensor by converting camera settings to their equivalents?

I was going through Flickr looking at photos taken with a Canon SL1 and came across a cityscape photo taken at night with a very dark sky. The photo is beautiful. Using the kit lens, the settings ...
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2answers
234 views

How to get settings of Canon camera in auto mode?

I want to learn photographing in manual mode. As the one of the way I wanna shoot in auto mode and then try to repeat it in manual mode. My question is how to know which settings of ISO, shutter speed ...
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1answer
400 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 ...
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4answers
627 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 ...
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1answer
131 views

Why are gray cards, and not red or other colour, used for camera metering?

And how different is 18% gray from 18% red? I was thinking about the properties of light and spectrum to better understand the camera metering mode. 18% means approx 1 out of 5 photons will be ...
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1answer
101 views

What settings, especially shutter speed, should I use for stage performances?

In particular, lower light. I will be shooting plays and other stage performances. Low light. Really not good light at all until their lights are upgraded. I know I can't expect miracles, but how ...
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3answers
347 views

Why don't professional cameras have a preview for shutter speed in live view?

So far, I have been taking my pictures with a Sony F717 (a dinosaur of digital photography). Nevertheless the F717 has a nice preview feature for shutter speeds. Up to 1 sec, it simulated nicely the ...