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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
69 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 ...
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3answers
99 views

Exposure shooting youth sports during a sunny day

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
27 views

Gopro (Hero 2) auto exposure settings and angle settings

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 - ...
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4answers
94 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
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5answers
19k 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 ...
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1answer
63 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
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3answers
80 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 ...
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3answers
81 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
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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
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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
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1answer
42 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
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5answers
145 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
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4answers
220 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
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3answers
535 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
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6answers
718 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
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1answer
246 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 ...
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4answers
98 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
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0answers
56 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
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6answers
11k 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
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1answer
320 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 ...
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1answer
145 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 ...
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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 ...
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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 ...
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2answers
102 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 ...
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1answer
3k 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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5answers
260 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 ...
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2answers
164 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 ...
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2answers
350 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 ...
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2answers
1k 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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4answers
164 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
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3answers
214 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 ...
7
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4answers
227 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 ...
83
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6answers
4k 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
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1answer
68 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
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4answers
701 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 ...
10
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5answers
323 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 ...
3
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4answers
168 views

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

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 ...
0
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2answers
100 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 ...
11
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6answers
24k 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
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1answer
95 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 ...
8
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5answers
772 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
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2answers
50 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
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2answers
102 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 ...
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7answers
2k 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
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1answer
87 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
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3answers
111 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 ...
90
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6answers
16k views

What is the “exposure triangle”?

What is the exposure triangle? How do the "sides" affect my photographs?
15
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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 ...
7
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5answers
1k 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 ...
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2answers
101 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 ...