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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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5
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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 ...
3
votes
1answer
571 views

How does the sensitivity of camera sensor behaves with the infrared filters?

I am puzzled about the behavior of camera sensor to the infrared spectrum. I have heard that the you must remove the internal infrared filter to capture infrared pictures. So, I removed it and used ...
6
votes
2answers
1k views

Pentax P-TTL: Why and when does underexposure occur and what can I do?

Pentax's P-TTL flash metering system tends to be unreliable and may underexpose at times. When and why does the system underexpose and what can I do? I want to know the situations that cause flash ...
5
votes
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 ...
0
votes
2answers
697 views

Why are my images always underexposed in Tv/M mode?

With the 18-55 mm kit lens on my Canon 1100D in Tv or M mode, when the shutter speed is more than 1/200th it always always produces dark images. The max f-stop this lens can go to is f/3.5. SMALL ...
2
votes
2answers
244 views

how do I long expose in harsh light for a lake view?

I have this problem of long exposure in harsh light. This in a lake side where I wanted to get that silky movement of water with a stone in foreground. However, since the daylight was harsh my images ...
6
votes
4answers
551 views

How to achieve good scenic photos without HDR?

I've always had a problem getting exposure right with shots of the outdoors. I always seem to need to do manipulation which ends up in noisy photos. I know HDR would sort it out, but I'm using a ...
2
votes
2answers
866 views

Modify exposure of a specific part of an image using rawtherapee or gimp (ufraw)

Is there a way to modify the exposure on a specific part of an image using rawtherapee, Gimp's ufraw, or any other free/open source tool?
4
votes
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 ...
6
votes
6answers
565 views

A Good “Flexible” Default Setting For Shooting Highly Dynamic Subjects

I know this is quite vague and that some of you might say the setting depends on how much lighting the place has. However, I want to know what "default" settings I can use for shooting pageants, float ...
4
votes
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 ...
8
votes
5answers
853 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 ...
2
votes
4answers
2k views

How do I prevent the background from going dark when using the flash with a subject?

This is with Flash, short shutter exposure time, and zoomed in This is without Flash but with long shutter exposure time when using the Flash the background tends to get dark and the subject ...
21
votes
2answers
6k views

What is the Black Card Technique?

I have found interested comments on 500px: Non-HDR-processed / Non-GND/ND-filtered / non-blended● Black Card Technique and group on Flickr. Could somebody explain how to and cons and pros of this ...
3
votes
2answers
559 views

Can a new focusing screen affect exposure metering?

After i replaced original focusing screen with a split one, it seems that every picture i take is overexposed now. Can it affect on exposure? Or i damaged something while replacing it? I own Nikon ...
5
votes
3answers
2k views

Is over-exposure preferable than under-exposure?

I am learning the world of Photography and always attempt to get the best possible shot but there are times when getting the exposure just right can be tricky depending on the situation. (I can tell ...
5
votes
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 ...
11
votes
1answer
986 views

What is “exposure safety shift”?

I ran into the term "exposure safety shift" in this answer. What is exposure safety shift, and what is its intended purpose?
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3answers
460 views

What techniques are there to get focus and/or lock exposure other than center, half-press, and recompose?

The way I shoot is this: turn the camera so that the subject is in the middle of the viewfinder, where my center point is, press the shutter half way, the camera now focuses the lens on the subject ...
3
votes
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 ...
3
votes
2answers
485 views

Why does the exposure vary in these Nikon flash photos?

The following 4 photos were all taken with a Nikon D300 at 1/250s, f/5.3, ISO-400, in shutter priority mode, with the on-camera pop-up flash. The only difference between them is the exposure bias, ...
17
votes
2answers
7k views

What is T-number / T-stop?

Usually, when discussing aperture of a lens, F-stop and F-number are used for quantifying. But some photographers, and especially videographers, also mention T-stop. The concept and numbering used ...
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votes
1answer
1k views

How does aperture affect exposure? [duplicate]

I've heard that aperture can change the exposure, but I would like to know if this is true, and how it does it. P.S. I hope this question isn't dumb like my last two.
5
votes
4answers
6k views

How can I set an exposure time over 30 seconds with a DSLR?

Most DSLRs have an exposure time limit of 30 seconds. Now I'm asking myself how is it possible to create images about over 1 hour or longer, like these two: ...
18
votes
3answers
1k views

Why does a 15-second exposure on my camera actually last 16 seconds?

I was doing a test and wanted the shutter to stay open for 15 seconds -- no problem, I have a 15-second exposure setting in my camera. It seemed to stay open for about an extra second, though, so I ...
6
votes
2answers
305 views

Can telephoto lenses cause the background to be darker than the foreground in the same light?

I took this photograph yesterday afternoon at around 5:15pm EDT, about two hours before sunset: The sky, in my perception, was bright, and my little subject is standing in the same lighting as the ...
31
votes
7answers
10k views

What are the advantages and disadvantages of using auto ISO on a DSLR?

What are the advantages and disadvantages of using auto ISO on a DSLR? Using manual ISO obviously gives you more control, but auto ISO may mean that you get "the shot" under quickly changing ...
1
vote
2answers
220 views

What settings do I need for shooting a candid against the sky?

I have Canon 1000D. Most of the times I use canon 50MM F1.8. I use evaluative metering and single point (center) auto focus. What setting do I need to change to have metering of sky (say red of ...
3
votes
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 ...
4
votes
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 ...
1
vote
1answer
178 views

Is this picture too dark? [closed]

http://500px.com/photo/5546307 Probably some personal taste applies here too, but Would be better to have things more bright in order to have some area which are at the bright end of the range? ...
3
votes
3answers
686 views

Double exposures straight to a memory card?

I'm looking to work out why some photos I have taken with my phone have strange images of a girl in them, when she clearly shouldnt be there. Can a photo taken with a normal camera phone double expose ...
3
votes
1answer
636 views

Ways in order to achieve dramatic lighting styles?

My question is more specific to the situation I am going to be shooting [with the subject being a person laying down in a hospital bed] The photo will be taken from the ceiling above the bed and ...
1
vote
2answers
2k views

Why is Auto Exposure on my Nikon D300s Overexposing?

My 300s appears to be overexposing - especially in the image playback - is there a way to calibrate or check the exposure measurement? Have been compensating exposure with some success.
10
votes
3answers
2k views

What is EV, when used as an absoute measurement?

I know there is already a question about EV, but it doens't quite answer my question. I understand EV as a relative measurement, 1 EV being one stop (doubling or halving the amount of light), but what ...
3
votes
1answer
1k views

Equalize exposure levels of a set of images in a stitched panorama

I've taken a set of pictures for a panorama. Unfortunately, I've forgotten to set the flash to manual exposure, hence I ended up with uneven exposure levels in the images. When I stitch them ...
2
votes
1answer
587 views

What is the reason for underexposure in my film photographs?

Thanks to all the quality answers I got here that helped me to buy a film camera. I got my first roll of film processed and printed. The print results are not as pleasing as looking at the slides ...
5
votes
4answers
10k views

How can I improve my exposure in low-light situations?

I am new to photography and have been struggling with low light scenarios. I have a Nikon D3100 and an SB-900 flash. Regardless of my ISO, aperture, or shutter speed settings, when I am ...
5
votes
2answers
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?
3
votes
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 ...
13
votes
7answers
561 views

Why can't digital camera sensors expose each photosite individually?

Why is it impossible for camera sensors to function the way the human eye can? What I mean is, why does a certain portion of the image have to be over/underexposed if we compensate for dark and light ...
7
votes
2answers
253 views

How can I salvage an HDR image from non-optimal source images?

During a recent wedding, I took a number of shots with my Nikon D90 at different exposures, hoping to merge them into HDR pictures. However, it was done in a hurry, i.e. with no auto-bracketing or ...
7
votes
4answers
663 views

Is there a good use for program exposure modes?

The question about how programed exposure modes work made me wonder. Are there situations where a program mode is good for some reason, not just as a convenience or because you don't understand ...
2
votes
4answers
486 views

How does this TLR camera expose properly?

I found a DIY TLR camera kit that lets you build the camera from parts, then use it to take photos. What I don't understand, is that the specs list: 1/150s shutter speed; f/11 aperture From that ...
8
votes
4answers
8k views

How does TTL flash work in manual exposure mode?

I got the Metz 44 AF-1 flash recently that is TTL capable for my Canon 550D, and have been reading around to get a better understanding of using flash on-camera (Neil Van Niekerk's article on flash ...
0
votes
2answers
3k views

Why is exposure meter reading not changing in Manual mode?

I own a Nikon D90. I am new to exposure setting. In Manual mode, I could see the exposure meter changing towards right of zero and towards left of zero informing about under exposure and over ...
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 ...
13
votes
5answers
712 views

Why are only certain shutter speeds or apertures available?

For the exposure control function DSLRs there are specific shutter speeds available. For example there are 1/4, 1/100, 1/500. Why, even in high end DSLRs, is there no option to use a custom shutter ...
6
votes
3answers
267 views

Should I set exposure on my camera or later with software?

With most cameras (Point-n-Shoots and DSLRs) I have always seen exposure settings for exposure. My question is this, should I mess with exposure in the camera while taking the shot or use software ...
5
votes
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 ...