Not Your Everyday Banana

by Bart Arondson

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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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6
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3answers
225 views

What is the effect of directly changing exposure from the camera's menu? [duplicate]

Possible Duplicate: What is exposure compensation? In the Aperture Priority mode (Av), changing the Aperture size would automatically adjust the Shutter Speed to ensure proper exposure. I ...
12
votes
4answers
416 views

How to edit the exposure/contrast of two different areas of a photo with a smooth transition between the two parts?

I'm a complete newbee in photography and in photography editing, but I made a a photo I really like with my phone, and I would like to improve it numerically. Here is the photo. I know how to use ...
3
votes
1answer
475 views

Can a consumer-grade camera take good aurora pictures?

It's generally hard to take clear pictures of auroras because they are fairly dim and move around. To get enough light for a good picture, you need a long exposure. But then your picture will be ...
5
votes
5answers
829 views

When I change the EV compensation, how will that affect my aperture, shutter speed, or ISO?

Let say that we have the following values, as an example: Shutter speed: 1/40 Aperture: 2 ISO: 1000 How can I get the EV number for this exposure, extract (or add) an EV value (0.33, 0.66 etc.) and ...
3
votes
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 ...
1
vote
1answer
959 views

How can I take long exposure photos with a webcam?

I have a very simple webcam made by A4tech. It already has an exposure function (in its settings) and it's good in low light. I want to be able to take even longer exposures. I have found this but ...
1
vote
1answer
213 views

Skin tones become yellower/ oranger when flash is on

When I take pictures of people, the yellow and red tones seem to be enhanced and the result is a more jaundiced complexion in best case scenario and orange and a bit shiny if their skin is a bit oily. ...
5
votes
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
486 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
276 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
659 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
224 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
525 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
738 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
791 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
515 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 ...
3
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
734 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
1k 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 ...
20
votes
2answers
5k 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
489 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
851 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?
1
vote
3answers
442 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
359 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
446 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, ...
16
votes
2answers
5k 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 ...
-2
votes
1answer
886 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
5k 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
944 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
301 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 ...
30
votes
7answers
9k 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
213 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
364 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
554 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
174 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
664 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
627 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
1k 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
1k 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
970 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
488 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
9k 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
1k 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
555 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
541 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
244 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
621 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 ...