Westminster fountain at sunset

by Jorge Córdoba

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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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92
votes
7answers
17k views

What is the “exposure triangle”?

What is the exposure triangle? How do the "sides" affect my photographs?
0
votes
3answers
53 views

Dynamic range of Sony RX-100

attached you will find two photos I have taken, exposure manually. I have taken these with a Sony RX-100 and as you can see the sky is overexposed while the landscape is exposed "alright". I was ...
1
vote
4answers
242 views

How to make camera LCD show true RAW data in JPG preview and histogram?

With Canon 650D (and presumably all the other Canon), I noticed that the picture style and full JPG processing is used to generate a review JPEG which is what the camera actually reads when reviewing ...
1
vote
4answers
158 views

Why does crop factor apply with APS-C lenses, and why aren't these brighter than FF ones at same aperture?

I know that the image circle of FF-lenses is bigger than it needs to be on APS-C sensors, thus the FOV spears narrower. I've heard that APS-C lenses sit closer to the sensor, thus projecting a smaller ...
0
votes
3answers
199 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 ...
5
votes
7answers
398 views

How can I use flash with large apertures?

I get very frustrated. When I take portraits, I want to use a flash because I think they turn out better. But if I use an f-stop that is high enough to blur the background, my shutter speed only ...
6
votes
4answers
236 views

Are the aperture, ISO and shutter speed stops perfectly interchangeable?

Imagine you have an scene with shutter speed 1/60, f/8 and ISO 200. Then you change the configuration to get an equivalent exposure: speed 1/120, f/5.6, ISO 200 (plus one stop in speed, minus one stop ...
1
vote
2answers
86 views

Incorrect exposed images when shooting sports

When shooting sports I regularly have some incorrect exposed shots. Usually they are overexposed rather than underexposed. I thought it might be due to sticky aperture blades but after some testing I ...
0
votes
3answers
130 views

Exposure shooting youth sports during a sunny day [closed]

I would like to know how to prevent my photos from being dark during sunny day during a youth game. I am ising a nikon d90 shooting raw...and suggested settings would be appreciated.
0
votes
1answer
52 views

Gopro (Hero 2) auto exposure settings and angle settings [closed]

First question here and I hope you'll agree it's a good one! I cannot find (ANYWHERE) technical specs for the Gopro Hero 2 - just people who take a picture of a gopro next to a proper movie camera - ...
0
votes
1answer
68 views

How to take high key portraits [closed]

What is the best method for achieving high-key portraits. I see them all the time of e.g. baby close-ups etc. but don't have a great deal of knowledge of how to create them. They are almost always ...
9
votes
2answers
200 views

How could some old film cameras without electronics set exposure?

I once had a film compact camera, but I was too young to understand anything else than "click". I'm much more familiar with digital photography, and setting exposure has always been a possibility in ...
55
votes
14answers
63k views

How do I set the proper exposure for nighttime moon photos?

All my attempts to get a good shot of the full moon with my DSLR result in an overexposed circle on a black background. I've used a tripod, remote shutter release, low ISO, and long exposure, but ...
0
votes
2answers
113 views

Is it possible to take a five minute exposure with a Canon Powershot SX 160 IS?

I have a Canon Power Shot SX 160 IS. Is it possible to take a five minute exposure with this type of camera?
1
vote
2answers
78 views

how to determine how much power to use in manual mode for external flash? [duplicate]

i recently added an sb700 to my d3200 and am unsure how to determine proper amount of power to use in photos. in another thread here on stack exchange, it was suggested that the ttl metering makes a ...
1
vote
1answer
107 views

Light meter calculations on micro four thirds [duplicate]

I am planning to start using a light meter for portrait photography with an Olympus OMD EM5, off camera flash and an old Canon 135mm f2 manual lens. However having read about it, I think that I will ...
0
votes
1answer
74 views

Why has my camera stopped taking pictures in low light?

I have had a Canon T1i for about 4 years now and I've noticed that it won't take pictures in low light even when I'm in manual mode. I've taken some pictures using time exposure in "bulb" and even ...
1
vote
0answers
53 views

is there auto-exposure adjustment button in M mode on Sony A7?

Is there a button (or custom function which could be assigned to some button) to auto-adjust exposure in Manual exposure mode on Sony Alpha 7? I am a new A7 user, and didn't find one yet. On other ...
-2
votes
1answer
83 views

What are the pros and cons of setting my camera to lock exposure on half press? [duplicate]

The Sony NEX-5R has an "AEL w/ shutter" option that Sets whether or not to fix the exposure when you press the shutter button halfway down (On/Off) (from the manual) What are the pros and ...
2
votes
5answers
572 views

why would you have a light meter chose your aperture for you?

The title of my question may seem misleading; I dont intend to ask how a proper exposure is calculated. I know the exposure triangle of iso, aperture and shutter speed. But in several articles ...
18
votes
4answers
11k views

How do I “focus and recompose” using spot metering?

I usually use the "[auto]focus and recompose" method for taking candid photographs. In situations where there is a high degree of contrast, I would like to use spot metering to correct expose for ...
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 ...
1
vote
3answers
85 views

Measuring pixel / area relative brightness

I'm going though Michael Freeman's books on exposure. I'll take his example of a light skin portrait to illustrate my question, although there is nothing specific to that kind of pictures. The author ...
1
vote
4answers
104 views

Can exposure parameters be kept high even at high ISO sensitivity, to keep image quality up?

Following is from Film speed Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ...
48
votes
5answers
20k 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 ...
1
vote
1answer
72 views

Convert Exposure Time in seconds to a fraction

I'm writing my own software to manage my photo storage. Within the EXIF data the camera stores it's exposure time in seconds. So 1/60 is expressed as 0.0166666666666667. Sites like Flickr are ...
3
votes
3answers
87 views

Photographing luminous clothing

I was wondering how you take a photograph of luminous clothing. No reflective strips on it or anything. Just can't seem to get the colour real. It comes out washed out looking and not bright like it ...
0
votes
3answers
98 views

Grey cards and there understandings [duplicate]

Few months ago i Ordered for a Grey Card,they came in 3 numbers one card is Fully dark grey,second one is Light Grey,one is Like dull white,i read about Grey Cards and there uses for white Balance, to ...
21
votes
4answers
6k views

How do you use a gray card?

There are already two questions on how to make a gray card, but unfortunately my ignorance goes deeper than that. How do you use a gray card?
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 ...
0
votes
1answer
45 views

Add Exposure Time multiple times from the same image [duplicate]

According to this question, it's possible to add the add the exposure time of multiple images. so i can take 20 pictures with a exposure time 1 second and get the same result as a image with 20 ...
0
votes
5answers
154 views

Low light photography with lens limitation

I was trying to take some pictures of the city night sky light with my Nikon D90 with its kit lens. Below are the settings I tried while taking pictures: F-Stop: 22 Mode: Manual I also tested with ...
2
votes
4answers
300 views

What ISO do I shoot Ilford Delta 3200 in?

I need to make pictures in crummy lighting conditions (inside a convention center) without much ability for external light apart from my camera flash. I ordered some Ilford Delta 3200 Black & ...
6
votes
3answers
545 views

Why is my camera so forgiving for overblown exposure?

I've found that my camera (Sony A99) is very forgiving in terms of overexposure when shooting in RAW. By that I mean, I can overexposure by a stop or so and when I get home for the post processing I ...
5
votes
6answers
750 views

Difference between short/long exposure for faraway objects?

Say I want to take a landscape-type photograph of some large object in the distant (focus at infinity); for instance a mountain range at the horizon, or even the moon. Suppose no closer objects appear ...
0
votes
1answer
259 views

Why are all my smartphone photos coming out near-white?

I have been using a Nokia 808 PureView for the last 22 months. Until recently, it was working fine but a few weeks ago, the headset port was not working, so I took it to the nearest store and had it ...
0
votes
4answers
101 views

What is the limiting factor of picture resolution?

What is the limiting factor? E.g (thought experiment) If we are 200m away from a tree (let's pretend it's perfectly stationary) and we take an exposure for a week, shouldn't we collect enough photons ...
2
votes
0answers
60 views

Uneven exposure with Sony a35 - one side of image much lighter than the other

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 ...
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 ...
5
votes
1answer
364 views

How do disposable cameras work without exposure and focus control?

Before I got into photography, I used to use disposable cameras with ISO 400 film. I've gotten some decent results in various lighting, both inside and outside and at different focus distances. How do ...
0
votes
1answer
237 views

I want long exposure on my Nikon coolpix p520

I have been really into light painting but I have a Nikon coolpix p520 and the exposure can only go to 8 seconds. Is there any kind of shutter remote that is able to extend shutter speeds and that is ...
7
votes
2answers
1k views

What's the use of a very fast shutter speed, faster than 1/4000?

I am planning to buy a new DSLR and am comparing two models. One of them has a fastest shutter speed of ¹⁄₄₀₀₀th of a second while other has a limit of ¹⁄₈₀₀₀th. I know that a fast shutter speed will ...
-1
votes
3answers
65 views

What are the parameters for evaluating photos [duplicate]

I understand that different people enjoy same photo at different levels. However in general what are the most important parameters that we use to evaluate a photo’s quality? Some of them that I can ...
0
votes
2answers
103 views

Learning from other photos. Histograms: how do I know if the original photo was over/under exposed? [duplicate]

There is a photographer who shoots mostly indoors with natural light (no soft box) but sometimes he also shows outdoors photos in natural light conditions. His site is at ...
4
votes
1answer
4k 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 ...
8
votes
5answers
318 views

How does TTL flash work when there are multiple flashes?

I've been watching a lot of deconstructing videos on how the light is setup. Often times there are 2-3 flashes at the studio. The photographer will say that they are all set to TTL. But how does that ...
6
votes
2answers
368 views

How do I take a photo like this (very bright)?

I've always wondered how these pictures are taken. They have a very "bright" feel to them. And it feels that they are "bathed" in golden sun light. I understand that I have to take this during the ...
4
votes
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 ...
1
vote
4answers
165 views

How can I get the exposure correct in this picture?

I am new to photography; I have a Canon 600D. The shot below was taken using the 600D and EF-S 18-55 kit lens. I wanted to get the exposure so that the leaves on the big tree came out right, ...
2
votes
3answers
221 views

If TTL only preflashes once, how does it get correct exposure immediately after?

If I understood TTL correctly, say you are in M mode with a camera and you have intentionally underexposed. The flash in TTL mode theoretically would try to add enough light to correctly expose the ...