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Questions about how to choose the correct colour balance for a given scene, and how it affects photos.

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2
votes
1answer
196 views

How to programmatically determine as-shot ColorTemp from NEF (RAW) file?

When shooting RAW images in AUTO WhiteBalance mode, the camera will somehow determine what it thinks is a good WB for the picture. In Photoshop (CS6), there is no way I can find to extract the ...
1
vote
1answer
94 views

What causes color imbalance, and how does it relate to chromatic aberration?

I am trying to figure out how color balance and chromatic aberration are different and related. It seems to me chromatic aberration is caused by the lens operating differently on lights of different ...
0
votes
1answer
129 views

Yellowing effect on Canon Rebel

I've started to notice a strong yellowing of the indoor pictures with my Canon Rebel T1i. If I use the flash, this doesn't happen, but I don't want to have to use the flash on every picture as this ...
3
votes
4answers
122 views

Color correction based on known samples (that are not grey)

In Lightroom and other such programs, color temperature for lighting is easy with an eyedropper tool if you have a true neutral in the photo, such as a grey card. For a natural object, it gets you ...
4
votes
2answers
78 views

How to scale between two white balance settings for perceptually equal increments?

If I have two white balance settings (say, one for direct noon sunlight, and one for full shade) and I want to create a series of interpolated settings that span between the two, what would be the ...
4
votes
2answers
102 views

White balance setting to match the way we perceive things

A white piece of paper on my table does not look as white in the evening when the light bulb is illuminating it compared to daytime when the Sun is illuminating it. The difference is much smaller than ...
21
votes
7answers
2k views

Does the camera white balance setting affect the raw image at all?

Does a DSLR's white balance setting (whether a preset like cloudy or a custom WB setting) affect the raw file at all, or does that setting only determine the WB of the JPG that the camera generates? ...
9
votes
6answers
8k views

Can I set Lightroom's white balance picker tool to choose a supposedly white/black spot instead of neutral grey? Or should I care?

I'm correcting white balance issues for my photos in Adobe Lightroom 3. The white balance picker tool in the Develop module lets me to pick a light neutral grey spot in the picture from which ...
5
votes
3answers
2k views

How can I adjust the colour temperature of an image programmatically?

I'm wondering how to convert programmatically (i.e. with a programming language rather than an editor) from one colour temperature to another? If, for example, I make the assumption (and it's a big ...
2
votes
1answer
126 views

How can I get a uniform white balance on a batch of JPEG images?

I have shot many photos of the same subject in JPG. Since I have shot for many hours with different light conditions the white balance is quite different for all the shots. I would like to ...
0
votes
0answers
333 views

How do I measure the correlated color temperature of a light source with a DSLR without a gray card?

By curiosity, I tried to measure the correlated color temperature of different light sources in my house by taking a photo of a white object (a piece of paper) lit by a single source at a time. The ...
2
votes
1answer
225 views

Why is there a colour cast when using an incorrect white balance?

I understand what colour balance is and how it is meant to be used. However I don't fully understand why we see what we see if an incorrect White Balance is used. If for example we take a photo out ...
1
vote
0answers
52 views

What effect does Gary Fong's collapsible LightSphere have on color temperature?

I intend to use a Gary Fong collapsible LightSphere, the one with white-transparent body and the warmer yellow semi-sphere for shooting portraits on locations and studio. How can I know the real ...
3
votes
3answers
1k views

How to set white balance in a photo of stars?

Just as in camera menu, there is WB presets available in RAW processing. Those include daylight, cloudy, shade, flash, fluorescent, etc. And of course Auto and custom settings. When processing my ...
4
votes
2answers
242 views

How can I achieve consistent skin tones in my photographs?

I've been shooting more people recently and have noticed that their skin tones are all over the map depending on the lighting situation. Are there any best practices or tips to ensure consistent and ...
0
votes
0answers
21 views

Are D-Lightning and in scene mode effects applied when shooting in RAW mode [duplicate]

I'm currently learning about the possible settings for my Nikon D5300 like D-lightning and WB and other scene modes and I don't see anywhere mentioned if those effects are permanently changing the way ...
3
votes
3answers
126 views

Do I always get the same colours when I set the white balance correctly?

I can set my white balance camera dial to sunlight, to overcast sky or to a tungsten lamp ensuring there's no bluish or yellowish tint and the white is really white. I know I can fine-tune these ...
17
votes
13answers
5k views

Do photographers see ambiguity in the color of the blue/black (gold/white) dress?

Okay, so, this has taken the Internet by storm today... You've probably seen it and lots of commentary. Apparently, many people see this as gold and white; to me, it's unambiguously blue. There are ...
2
votes
1answer
110 views

How would IR-assisted white balancing work?

One of the Samsung Galaxy S6's new camera feature is to use its IR-based heart-rate sensor to aid in white balancing. Some of the write-ups on tech websites briefly mention how the IR sensor can ...
8
votes
3answers
216 views

Is there a specific color temperature to film?

Recently, I was taking some pictures of the snow using Kodak Gold (I believe) 200 and Fuji Superia 200. When I got them developed, I noticed that the Kodak had a "warmer" feel to them than the Fuji, ...
13
votes
2answers
2k views

What is color temperature and how does it affect my photography?

I have seen color temperature mentioned with regard to white balance, mixing different sources of light, etc., but I haven't come across a clear explanation of what it means to talk about the ...
1
vote
2answers
86 views

How to select “white point” before calibrating a monitor with Spyder3 [duplicate]

My Samsung monitor has the following Color Modes Cool 2 Cool 1 Normal Warm 1 Warm 2 With factory settings, the monitor has a minor red tint; if I switch to Cool 1, it looks normal; whites look ...
5
votes
3answers
1k views

How to configure the camera to capture true colors of ambient light?

I'm an amateur photographer and I have a Nikon D5200 and a ColorChecker Passport. I'm trying to understand what are the procedures that I should take to capture the real true colors that I am seeing. ...
5
votes
4answers
389 views

What *exactly* is white balance?

When setting a white balance configuration, we adjust the temperature and green-magenta shift to a wavelength-intensity distribution of light that correlates most closely with the actual distribution ...
7
votes
1answer
504 views

How can I use CMYK values to white balance skin?

I recently heard a photographer mention that they: ...adjusted the white balance using the CMYK method I did a bit of searching on this and found different resources claiming to use formulas ...
0
votes
0answers
80 views

How can I control the white balance from an Android application?

I am currently working on an Android Application that does Day-to-Night/Night-to-Day Time-lapse using Bulb Ramping, and I think I am 80% there. What the application does is that it takes photos in ...
0
votes
3answers
128 views

How to Get a Whiter Background when Taking Photos Against An Off White Wall? [duplicate]

I am trying to take a photo of a banner against an off white wall. Is there a way to get a pure white background and the banner colors not be overexposed? I am using a point a point and shoot camera ...
18
votes
2answers
3k views

What is the white balance of film?

As opposed to digital photography, the white balance in film photography is fixed, cannot be changed easily after taking the shot and depends on the film. But what is the white balance of film? I know ...
3
votes
1answer
259 views

How can I adjust white balance for many photos by the same amount in Lightroom?

I own Lightroom 5 and I've been running a quite stable workflow for several years, including calibration of the monitor and the printer. In the past I printed my photos on my own and I was pleased ...
6
votes
4answers
225 views

Reducing ambient color while preserving sharpness with a flash in concert photos

I have been shooting (small) live concerts with poor env. lightning for some years now with the help of F/1.4 & 2.8 lenses, mostly using a 160th shutter speed to make sure that the fast movements ...
12
votes
2answers
7k views

How can color temperature be measured using a digital camera?

I know that one can photograph a color-neutral card (white, gray, black) and use it for white balance, either in-camera or in post-processing. Using an image of a color-neutral card taken under given ...
2
votes
2answers
203 views

Problem in white balancing photographs taken in sun

When a photograph is taken in sun, the whole photograph becomes slightly orange in color. Specially the skin tones become too orange. The photographs are taken from simple mobile phone high megapixel ...
3
votes
1answer
101 views

Why isn't my grey card giving me repeatable results in the same room with different lighting?

Here are two white-balance adjusted photos taken in two different lighting situations. Both photos were shot RAW and corrected using the white balance tool in Lightoom (using a large enough sample ...
3
votes
2answers
593 views

How can I get white balance support for Canon EOS 1100D in UFRaw?

I have a Canon EOS 1100D and I'd like to edit my raw pictures using Gimp. I've installed Ufraw but it says that there are is no white balance presets for my camera model. How can I make it work and ...
3
votes
4answers
233 views

Why do I get different white balance results from a grey card vs a white card?

I recently purchased a grey card set from here (comes with a grey card, white card, and a black card): ...
0
votes
1answer
94 views

How to get consistent white balance on a 3 photo stack?

I have a 3-photo stack - the same photo done with -2, 0, +2 EV, and want the same white balance on each of the photos. Photos will be used to construct a 360 degree panorama, 4x3 photos stack = 12 ...
0
votes
1answer
152 views

Is it possible to know the value of color temperature that camera applied on JPEG Images at taken moment?

I want to develop an app for smartphones to measure some special parameters with taking images. I think if I have the color temperature value that camera in auto white balance mode applied on that ...
0
votes
1answer
85 views

Why would D90 preset white balance be no good [closed]

For the Nikon D90, how do I remove the preset white balance in Image d-0?
6
votes
7answers
938 views

How do I accurately capture the colour of sunlight on a wall?

I found a brilliant yellow area of sunlight on my wall, and I wanted to capture this color. I took a photo with auto WB, on my NEX-5R: The sunlight in this photo isn't yellow enough, so I switched ...
0
votes
3answers
299 views

How do I map white balance settings on the Sony NEX to Lightroom?

This answer describes how Lightroom measures white-balance, primarily using a "Temp" slider and secondarily using a "Tint" slider. My Sony NEX-5R seems to use a different system for white balance ...
21
votes
4answers
7k 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?
2
votes
2answers
349 views

Do film emulation presets assume a certain white balance setting?

The other day I thought I'd try 'shooting a specific film', i.e., post-process all the shots from the day with one particular film emulation preset, Kodak Portra 160 in this case. But when I sat down ...
1
vote
1answer
358 views

Match colors in Lightroom to other editing tools

I noticed that sometimes Lightroom develops a raw image quite differently from my Canon camera or DPP (Digital Photo Professional by Canon). Even if in 90% of the cases I'm happy with Lightroom, in ...
1
vote
2answers
55 views

What are the values in the white balance menu in D40 refer to?

In D40 whitebalance menu,I found values like +3, +2, +1, 0, -1, -2, -3 in each setting. Does that represent values related to Kelvins?
2
votes
1answer
82 views

Do I have to do camera calibration every shoot?

I bought a xrite color checker export. I understand that for white balance, I'm suppose to shoot the card every shoot. Because the whitebalance is different in every environment. But what about ...
2
votes
2answers
248 views

Why use UniWB? Doesn't apparent clipping of “final” colors matter more than actual clipping of RAW sensor values?

I've been reading up on UniWB and trying it out myself. My understanding is that the camera (and other RAW software?), in applying a white balance during the JPEG conversion, effectively overexposes ...
0
votes
4answers
8k views

What is the best free software to edit NEF photos? [duplicate]

I'm new to photography and just starting to take photo in RAW format. I haven't found a difference in quality of color adjustment editing between ViewNX (free software coming with my Nikon d5100) and ...
12
votes
7answers
1k views

How to set tint if one is colour blind?

How should someone with red-green deficiency in colour vision set tint in Lightroom or other post-processing tools?? Are there any external tools (other than asking someone) that say whether white ...
69
votes
6answers
16k views

Do fluorescent lighting and shutter speed create a problem with color cast?

I took a bunch of photos at my son's martial arts club using a D90 with a 50mm F1.8. The club is lit with overhead fluorescent lighting, and I was getting some weird results where some shots are ...
1
vote
3answers
486 views

Why does using the flash mess up the white balance?

When I take a photo without flash, I get reasonable white-balance: But when I turn on the flash, everything becomes yellow, which is not how the scene looks to the naked eye: Why does this ...