Watching Over

by Vian Esterhuizen

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The word photography means "drawing with light". Controlling or selecting the light a camera records is essential to all aspects of photographic composition.

learn more… | top users | synonyms

2
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2answers
109 views

Does the right calibration temperature for my monitor depend on season?

I just bought X-rite calibration kit but one thing makes me curious. Should I set colder white point (6500K) for summertime and warmer (5000K) for winter? Will global warming cause atmospheric effects ...
0
votes
1answer
70 views

What effect does a bright light have on a DSLR? [duplicate]

What effect do bright lights have on DSLRs? For example, would shining a flashlight into the lens have any effect? The flashlight I am currently using is 300 lumens.
0
votes
2answers
183 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 ...
12
votes
6answers
1k views

How can I avoid green flare on my sunrise photos?

I took a series of sunrise photos. Once the sun actually came above the horizon, the brighter the sun became the more apparent and brighter a green flare (glare?) appeared. How can I avoid that? ...
0
votes
1answer
53 views

How Sixtomat (gossen) works without electricity?

I owned an old Gossen Sixtomat and I am wondering if there is a battery cell or not in this device. If there is no battery I am wondering how this could work without energy. I know some materials ...
3
votes
1answer
188 views

How to shoot light trail photos with iPhone?

I would wonder if someone can tell me how to shoot (take / capture) a light trails photo with an iPhone? If someone don't know what's that, here's the the one which googled find for me, Is it ...
9
votes
5answers
358 views

How to identify whether the available light is too harsh or too soft?

When I go out in a park what factors should I consider to determine whether the present light is too harsh or too soft?
0
votes
2answers
74 views

Is light fall off corrected for in modern cameras?

Because of the way light is projected in a camera the image can be darkened near the edges. My questions is, do modern cameras attempt to correct for this light fall off? Description of the light ...
4
votes
2answers
349 views

What are the 5 basic lighting setups used in studio portrait photography?

In this great answer, the person explains “one of the 5 basic lighting setups used in studio portrait photography”—Rembrandt lighting. What are the other four? Where should they be used? What are ...
4
votes
4answers
2k views

Lights for a Light Tent

I am looking to purchase a light tent and lights to do some product photography. I need to purchase lights but I am not sure what to look for in lights. A few requirements: Must be easily ...
0
votes
0answers
17 views

Is it possible to calculate f-stop gain/loss for different sensor size? [duplicate]

I would like to know if it is possible to calculate f-stop gain/loss for different sensor size. For example, how much light can capture an aps-c vs a 1/2.3 sensor ? Thank you
11
votes
7answers
765 views

What to look for in a compact camera to take picture of black dog?

I like to take snapshots of my black dog during hikes and have grown annoyed at my camera. The changing light conditions and his movements force me to use the automatic sport mode, which often ...
2
votes
3answers
384 views

Can studio light be as good as sunlight?

I am currently digitalizing some family albums. I was told the best source of light is daylight, so I've been using that as a light source. However, this restricts me to specific hours of the day, ...
6
votes
4answers
5k views

How do I create this soft bright look?

This is probably my favorite look in child portraits. I want to achieve this bright, yet color popping look in my photos. Is there specific lighting, like overexposing? Or is it post processing? Here ...
40
votes
6answers
13k views

Why do light sources appear as stars sometimes?

See for example this photo: From my experience, the longer the exposure the stronger can this effect be observed. Is this correct? Are there any other factors that influence the creation of these ...
1
vote
3answers
106 views

Why does feathering the light gives softer light?

Why does feathering the light gives softer light? You will always hear that bigger light source will give softer light, that makes sense because it has better wrap-ability. But I also hear that ...
7
votes
7answers
2k views

How do I take a photo of people before a bright window?

How would you take a photo of people who are posing in front of a window? Ideally both the people and the background should be visible. I usually get either the background being overlighted or the ...
6
votes
1answer
323 views

How to get beautiful even and soft lighting on face?

How do I get bright even and soft light on a face like this? Image taken from this link I got the exact same equipment but I wasn't able to reproduce the result. First I tried lighting it from ...
4
votes
2answers
327 views

How to measure light so I know which gel to use?

Is there a device that can measure the color of the light so I can know which gel to use on my flash? I have a pack of gels but it's not that accurate to just choose by eyeballing the color of the ...
8
votes
4answers
526 views

Is it possible to take a long exposure photograph during daytime?

I would like to take a picture of a street during the day to depict how much traffic and cars there are on the street. Is there anyway to do this with a long exposure photograph? I have a Nikon D90 ...
4
votes
2answers
206 views

What does it mean for a camera to be able to autofocus at EV 0 at f/2.8?

I know what it means for a camera to be able to autofocus at EV 0. As the answer to this question says, EV0 is the light level to achieve correct exposure with 1 second of exposure at F1 and ISO 100. ...
1
vote
1answer
140 views

Whats the “most amount of moon” acceptable for astrophotography?

The last time I shot the sky, it was a full moon and it completely ruined my shot. What's the maximum amount of moon (i.e. 1/3, 1/2, etc...) that can be out that won't adversely impact a shot of the ...
1
vote
1answer
204 views

How do analog photography light meters work?

I have a Canon AE-1 film camera. It works well and I've several FD, FL and Vivitar lenses. For recent digital cameras, I know how the light meter works. However, with this old camera, I would shed ...
0
votes
1answer
58 views

Is there a better DNG workflow for monochromatic-lit scenes to produce B&W images with more detail?

I am going to take a few photos of hardware for documentary purposes; unfortunately the only light available is monochromatic (think of low pressure sodium-vapor lamp). This is not really a big ...
0
votes
1answer
63 views

about luminance and illuminance: what is the difference? [duplicate]

First of all, let me say that english is not my first language, so please excuse any mistakes that you could meet from here on out. I read several articles and explanations about luminance and ...
1
vote
1answer
125 views

Do sensors absorb different spectrum of light at different rate, making longer exposures better for blue skies?

I've found one suggestion about taking photo of sky: The sky becomes white in ur photos unlike others who retain blue color?? - Stop down the aperture to f8 or more, decrease ISO to 100 and ...
2
votes
2answers
687 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. ...
8
votes
3answers
3k views

Can you photograph the milky way with a full moon out?

Is it possible to photograph the milky way (or just any stars or stellar objects) when a full moon is out?
0
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0answers
38 views

What causes the rays surrounding strong lights? [duplicate]

I've noticed, especially in long-exposure city lights photos, that strong light sources are surrounded by rays. The number of rays seem to depend on the lens being used. What causes these rays and the ...
4
votes
1answer
177 views

What is “north light”, and how can I use it in my photographs?

I've heard that some painters favored "north light". I suppose that this is light coming from the north, but what is so special about it? If I live somewhere where the literal north light is blocked ...
7
votes
6answers
322 views

If shooting in RAW and processing, why still care about WB?

WB is obviously important for JPGs and I'm not referring to JPGs here. I do know this question is related to two others. Sorry, I'm a newbie here and I don't know how to refer to them, but @Craig ...
1
vote
1answer
59 views

DIY Vignette Measuring

I'm trying to measure the light falloff (a.k.a vignette) of a custom lens. My problem is that I'm not sure how one would go about creating a uniformly lit surface without the use of special diffusers ...
18
votes
5answers
2k views

Do the infrared photographs really contain infrared colors?

In school, we all learned that from white light we can only perceive the visible spectrum but we can't see UV or the IR portions. If this is the case, then how come we can do infrared photography?. ...
0
votes
2answers
379 views

Why is my Canon 7D light sensor under-sensitive?

It seems the light meter indicator in the viewfinder on my Canon 7D underestimates how bright the picture will be. This makes for overexposed photos whenever I use anything other than full manual ...
0
votes
2answers
130 views

Buying my first off-camera light. Flash or always on-light? [duplicate]

I am planning to buy my first off-camera light equipment. And am confused between a flash & an always on light source. Can someone point me to a good online resource or share their experience? ...
2
votes
2answers
2k views

How does lens-hoods for pancake lenses work? (Canon EF 40mm with ES-52)

Normally I use lens-hoods on every of my glasses (flairlight blocker, lens protection). Some days ago a bought the Canon EF 40mm STM (Pancake-Lens). So I look for the fitting lens-hood and found the ...
5
votes
4answers
730 views

How to capture a small red light?

I tried to capture the following small red light, but I failed. It's more white than red. How can I correctly capture the red light as seen through my eyes? f-stop: f/5 exposure time: 1/30 ...
1
vote
2answers
241 views

Nikon d3200 plus old Philips flash

A friend is shooting some photos at an indoors night event and he only counts on a Nikon d3200 plus a super old flash Philips P36 TSL. What would be the recommended shooting mode and shutter speed? ...
0
votes
3answers
114 views

Style with dim background, warmer tones and subject being almost the only light-emitter?

You can appreciate a slight light-brown-ish look in skin tones and in most other colours, the slow fade to dark in the silhouettes of the subjects and the almost zero quantity of light the camera is ...
1
vote
1answer
152 views

How can I achieve this style where the subject isn't blurred but bright lights will be light-painted? [duplicate]

I've been going through a company's photographer photos and I could narrow down two styles I'd like to develop and use in my shots, but I cannot figure out how he managed to do it: It looks like it's ...
6
votes
3answers
102 views

How to film translucence and light?

I'm trying out my new DSLR (Nikon 5300) and 18-200 Nikkor lens. Long ago, I had a film SLR, but since then I've had point-and-shoot cameras. It's great to get back into SLRs again. That said, here's ...
0
votes
2answers
67 views

Why is my IR camera recording images when no IR light is present?

Why is it that with my camera (an old DVT Legen) and an 850nm IR pass filter, I see light in my images even when no IR light is present? Only light source is a fluorescent light.
1
vote
3answers
354 views

How does the spectral sensitivity of different sensors affect the resulting photo?

I am learning about light and color formation but I don't understand how does the sensitivity affects an image. Take for instance the different sensitivities for two "cameras" for each RGB channel ...
2
votes
3answers
330 views

How do I know how much light will be needed for a given film speed, shutter speed, and aperture?

For a given film type, shutter speed and aperture, how do I calculate the light needed to get a good exposure? For example, if I use a f/8 aperture, an exposure time of 100 ms and a ISO 800-film ...
1
vote
1answer
147 views

Why did the sun cut my photo?

Please look at this photo. http://www.flickr.com/photos/105234648@N06/10767962476/in/set-72157637496250364 I am very new to photography and as you can see the sun being directly behind the scene ...
4
votes
3answers
325 views

Does cloudy, low-contrast light produce the best results for photos of fall foliage?

It is conventional wisdom that direct, harsh sunlight is not a good light for photography. Cloudy day decreases the contrast and produces better result it goes. Does it also apply to fall foliage? My ...
18
votes
5answers
946 views

Why do two lenses with the same F-number give different amount of light?

Why do the following two lenses provide different amount of light? In both images we have fixed focusing distance, distance to the object, ISO, shutter speed and F-number.
3
votes
2answers
883 views

How to relate LED Lumens to Lux at a given distance?

I'm trying to design an LED light, but I'm not sure how many LED's I need for a given light level. Specifically, the Luxeon LXR7-RW57 1000 lumen white LED (data sheet) Q: How many lux should I see ...
4
votes
4answers
771 views

Why hasn't buying powerful lights improved my lightbox images?

I posted a question a few months ago regarding a light-box setup, and it seemed the general consensus was that I didn't have enough light... I've gone ahead and purchased 2 x 55w 3000lm 5500K 90+CRI ...
10
votes
2answers
487 views

How can I intentionally include lens flare in my photographs?

I usually try to avoid lens flare, usually by avoiding shooting directly into bright lights (or using other techniques to minimize it). However, sometimes I find a situation where lens flare actually ...