Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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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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3answers
184 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.
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1answer
121 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 ...
0
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2answers
491 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?
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2answers
336 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
228 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
179 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 ...
-3
votes
1answer
572 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 ...
19
votes
4answers
15k 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
3answers
377 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
127 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 ...
1
vote
1answer
250 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 ...
2
votes
2answers
144 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
203 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 ...
22
votes
4answers
8k 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?
26
votes
9answers
3k 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
79 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
243 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 ...
3
votes
4answers
8k 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 & ...
5
votes
6answers
2k 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
322 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
148 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 ...
17
votes
6answers
13k 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
1k 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 ...
8
votes
2answers
7k 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 ...
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votes
3answers
98 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
134 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 ...
8
votes
5answers
2k 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
525 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
8k 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
201 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
272 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 ...
8
votes
4answers
401 views

How can I mitigate bright spots in shaded, woodland settings?

I do most of my photography while hiking. I find open woodlands to be a very pretty setting, but have difficulty capturing it. While sunny spots are brighter than shady spots, they don't glare in the ...
103
votes
6answers
5k views

How and why do you use an image histogram?

I realize that an image histogram is a graphical display of an images tonal distribution (i.e. horizontal darks to lights, vertical pixel distribution), but how does one really use it and why? I mean, ...
2
votes
1answer
423 views

Canon 60D - exposure compensation with auto ISO in Manual mode [duplicate]

I'm sure someone will be able to answer this conclusively fairly quickly, but as per the thread title, is there a way to set exposure compensation when using M mode but with the ISO set to automatic? ...
16
votes
4answers
855 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 ...
12
votes
5answers
1k views

How to meter to clear subject details with a strongly backlit scene, as Elena Shumilova does?

Looking at the photos from Elena Shumilova on 500px, you can see a clear preference for backlighting and halo effects on many of her subjects. For example, this and this. How do you meter with the ...
0
votes
2answers
436 views

How does a camera in an automatic mode choose what exposure, aperture and ISO to use? [duplicate]

For example: Does the camera detect if the scene contains fast-moving objects and if so use a shorter shutter speed? Does it detect if the entire scene is beyond the hyperfocal distance, and there's ...
12
votes
6answers
39k 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, ...
0
votes
1answer
100 views

Glass photograph

I have a photograph of I think my great grandmother over150 years old it is on glass not stuck on. She is sitting down and looks to have a false arm but I think it will be with her sitting in one ...
9
votes
5answers
1k views

Is it usual that a narrow aperture gives a darker picture in aperture priority mode?

I have a Nikon D60 camera here with a Nikkor 35 mm 1:1.8G lens. I don't have any experience with any other digital SLR, so excuse the beginner question. When using aperture priority mode, a narrower ...
0
votes
2answers
228 views

What can I do to improve exposure on my Canon 30D? [duplicate]

All my pictures taken indoors show very low-light. I guess it should be giving more brightness when I chose f/5.6 aperture, 1/25 sec, ISO 200. And I doubt I might be doing something wrong or if its ...
2
votes
2answers
242 views

Relevance of absolute light power in studio object photography?

While setting up a photo studio for product photography, I often read advice that suggests that one needs extremely strong light sources (1–10 kw total) if shooting without flashlights. I fully ...
1
vote
7answers
4k views

What could cause severe under-exposure when using a Canon 5D Mark III with Speedlite 600EX-RT with Evaluative E-TTL2 metering?

I recently purchased a Speedlite 600EX-RT for use with my 5D Mark III. I'm shooting with a 17-40 f4/L lens. Particularly when using the flash in the standard forward position, I get extremely severe ...
3
votes
1answer
129 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 ...
1
vote
3answers
155 views

Do any phone cameras allow decent exposure of the night sky?

I've heard that phone cameras can't take good pictures of the night sky because the hardware doesn't allow the changing of exposure times. Are there any phones that do allow good exposure for decent ...
15
votes
6answers
4k 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 ...
7
votes
5answers
2k views

How does software raise exposure in post-processing?

Does anyone know of any algorithms or can explain mathematically how brightness (EV) is executed in post-processing? Does it adjust the level of brightness/RBG/contrast for each pixel? Does it relate ...
0
votes
2answers
232 views

High-speed camera for Photographing Fast objects such as balls? Important features?

I am interested to shoot fast balls such as golf balls and tennis balls to see their features such as speed, spinning and start angle. I am an amateur and only familiar with photographing though my ...
5
votes
2answers
479 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 ...
0
votes
3answers
118 views

Canon Film SLR 28-80 mm lens with sunfilter; what should be my aperture settings and distance

With the Canon Film SLR 28-80 mm lens with sunfilter (I think it has zero impact on focal length) what should be my aperture settings, if I have to take pictures of people in crowd and restaurant to ...