Questions tagged [light]

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

Filter by
Sorted by
Tagged with
71
votes
7answers
9k views

What am I photographing INSIDE my camera?

I've been experimenting with low light photography. I've photographed something weird inside my camera and don't really know what it is. This is the image initially taken... Seems inoccuious enough....
57
votes
8answers
38k 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 ...
26
votes
3answers
4k views

What's the point in covering the viewfinder?

Recently, I found out that the rubber cover on the strap of my Canon EOS camera is used to cover the viewfinder. I searched on the web to learn why should I cover the viewfinder and I read that it ...
24
votes
2answers
5k views

Why is infrared light's focus point different from that of visible light?

When reading about infrared photography, it's often mentioned that IR's focus point is slightly different from visible light. Why is the focus point of infrared light point different from the focus ...
23
votes
9answers
19k views

What's different about photographing at sunrise vs. sunset?

I usually get better light at sunrise (compared to sunset). I do though hate to wake up early in the morning to use that light ;) What are the biggest differences between sunrise and sunset?
21
votes
4answers
5k 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?. ...
21
votes
5answers
3k 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.
21
votes
7answers
4k views

How can one deal with midday light in street photography?

Firstly, of course, photography is all about light, but for doco/street style photography (which is what I like), it's really about being in the right place at the right time. However, I've been ...
19
votes
3answers
49k 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?
19
votes
2answers
15k views

What is the difference between luminance and illuminance?

The more I read about this, the more confused I become. Illuminance, as I understand it, measured in lux, is the perceived brightness of light on a surface. It's what you'd measure with an incident ...
16
votes
3answers
4k views

If I want to shoot darker shots, is it better to increase the lighting and then darken in post to retain clarity?

I'm just getting started - in my last shoot, I was using a 6D with a 50mm/1.4. In low light, the pictures looked fantastic on the viewfinder but on the computer screen, appeared extremely grainy. For ...
16
votes
3answers
6k views

Why does the flash freeze a picture?

Why does a flash freeze a picture even if I use a shutter speed like 1/10 sec? I don't understand it, because the light will hit the sensor the whole time, not just when the flash is fired.
16
votes
4answers
19k views

How can I improve my photographs taken on overcast or cloudy days?

I'm interested in filters, flash & lighting options, composition, and post processing. Is it possible to get really vibrant colors or should I give up on that and focus on dreary, muted, or black ...
15
votes
2answers
497 views

What makes some natural landscapes saturated?

I know how to saturate in post-processing. But there are times of the day and the year when natural outdoor light is extremely saturated. Towards sunset in spring in southern England, for example. ...
14
votes
2answers
2k views

How can I take a photo of a dark bar with a bright sign?

I took an image of a dark bar with a bright sign at night using auto mode: ISO 1250 | 1/60s | f/2 What I actually wanted is to be able to read the sign in the background. On this image it is ...
14
votes
6answers
5k 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? ...
14
votes
2answers
2k views

As a blind person, how can I better understand how wide or narrow a field of view is?

I saw this question but feel that it doesn't fully explain how this works. I am completely blind, so I am trying to come up with a tactile pictorial representation of how field of view works. ...
14
votes
3answers
2k views

What is the pre-computer version of Photoshop's blending modes?

Before computers, to blend two pictures into one, I'd imagine they'd have used some sort of mirror setup to reflect the one picture onto a mirror containing the reflection of the other picture. Does ...
13
votes
3answers
2k views

How can I correctly measure light using a built-in camera meter?

Many times when I shoot photos, the photo is sometimes too bright or too dark and the colors are incorrect. Sometimes, the white in the photo is not the white that I have for a background, but gray. ...
13
votes
4answers
2k views

How to achieve pictures filled with light like these?

I would like to know how to achieve the effect of highly exposed pictures filled with light like the ones presented below: unknown source From http://dziecisawazne.pl/iza-faber/ Is this possible ...
13
votes
5answers
4k views

How can I depict vehicle traffic during daytime in a long exposure without washing out the vehicles?

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 ...
12
votes
7answers
989 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 ...
12
votes
3answers
1k views

How to engage in photography without a camera?

My digital camera has bit the dust. Now I wonder how to take pictures without a camera. Photography is an art of making images from the light field present at some particular location at some ...
12
votes
2answers
659 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 ...
11
votes
2answers
3k views

Do lenses with the same f-stop but different focal length gather the same amount of light? [duplicate]

I'm taking images of a light source in a scientific labratory, and I thought I had a good grasp on all these things, but now i'm second guessing myself after some results. The most important thing is ...
11
votes
2answers
4k views

Is a north-facing window recommended outside of the northern hemisphere?

Many photography book recommend taking photos with natural lighting in a room with a north-facing window? All my books were bought in the Northern Hemisphere but now I live on the Equator. Which ...
11
votes
3answers
1k views

Does the zoom head position of a flash matter when shooting through an umbrella?

It seems like a hotshoe flash's zoom head position might factor in to the lighting pattern when shooting through an umbrella. In the wide beam position, I expect more even light that one is ...
11
votes
5answers
589 views

Why is distance absent from the exposure triangle?

With exposure calculations, there are aperture, shutter speed, and ISO. Correspondingly, flash and light meters gives you the aperture (as an f-number) and shutter speed for a given ISO. However, ...
10
votes
4answers
41k views

How to avoid shadows on the background when photographing with flash in darker areas?

This is ruining my photos and I don't know how to solve it. I will post the result photo and you tell me the wrong things I am doing resulting in this! And how to fix it :) Light was a Profoto B1 ...
10
votes
3answers
343 views

How sharp of an image should I expect at night?

I'm a beginner with my first camera (sony nex6 mirrorless). I was trying my first few night shots Using the kit lens but I wasn't able to find a way to take sharp images. I've done the following: ...
10
votes
3answers
3k views

Why do my photos "glow"?

I have a Canon 60D and recently bought a Canon zoom lens EF 24-70mm 2,8L USM. Bright colours seem to "glow" or are blurry when I take photos. It does not seem to be blurred because of movement or ...
9
votes
12answers
45k views

How do you avoid a dim portrait with a bright background and no external flash?

I took a picture once in a beautiful location with an awesome background, and a cool location to get the shot. The problem is, the location of the subject had substantially less light then the ...
9
votes
5answers
644 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?
9
votes
1answer
1k views

What is Colour Rendering Index (CRI)?

From this answer on white balancing a LED light I understood there's a thing called Colour Rendering Index (CRI). I understand it has something to do with how well lights reproduce the sun's colour ...
9
votes
3answers
2k views

How to capture the sun rays falling inside a forest?

How to capture the sun rays falling inside a forest and light passing through a window. Even though they are visible to our naked eyes they seems tough to be captured with DSLR. I read snow and dust ...
9
votes
2answers
13k 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 ...
9
votes
3answers
3k views

Is the color of the AF assist light important?

What are the differences between white and this darkroom red/orange active autofocus assistance lights?
9
votes
5answers
9k views

How to recreate Liam Wong's images of city streets at night with neon lights?

I'm only new to this photography thing, I currently have a Canon 70D. I tried to look this up myself, ask, and ask elsewhere but haven't had an answer yet. Wondering if someone would be able to ...
8
votes
6answers
521 views

How can I improve shots in the dark, when tripod or flash are not available?

About once a year, at my school we have this event called "Humans versus Zombies", whereby there are these "missons" that occur in the dark at night. I've been trying to capture what goes on there: ...
8
votes
7answers
20k 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 ...
8
votes
2answers
2k views

How to shoot a light trail photo where an object is still in focus? [duplicate]

I have come across this picture of a car where the background has a light trail effect but the object (which is the car) is still in focus. I know how to create the light trail effect but I'm not ...
8
votes
4answers
7k views

Why are those green spots on my photo?

Took a pic with my 35mm Nikon lens last night, and got this light artifact. Is this something normal? Reflection? Is it dirt on my lens? How do I prevent this from happening? I think it only happened ...
8
votes
7answers
3k views

Is there a fundamental difference between emitted light and reflected light?

In the context of practical implications for photography, is there a general difference in the qualities of emitted vs. reflected light (other than emitted light being brighter in many situations)? I ...
8
votes
4answers
5k views

Is there any practical way to measure the T-stop of a lens?

T-stop measures actual light transmission in a lens. Therefore, different f/2.8 lenses can have different T-stops. T-stops are usually only given for cine lenses. For photography lenses, is there any ...
8
votes
2answers
7k views

What are some typical angles to place the sun at in outdoor portraiture photography?

I know there are few common light positions for studio photography. For example, a key light positioned 45 degrees horizontal and slightly above the subject. I was wondering if there were any common ...
8
votes
2answers
5k views

Why are sensors less sensitive to blue light?

This is a followup question to Why is the blue channel the noisiest?. The simple answer to that question is that sensors are less sensitive to blue, and therefore require more amplification, which ...
8
votes
2answers
392 views

Umbrellas: what's the difference between white ones and silver ones?

I understand that golden reflective umbrellas are usefull to get warmer light. But, what's the difference between white reflective umbrellas and silver umbrellas? Do silver umbrellas also change the ...
8
votes
3answers
2k views

How do I adjust colour casts between photos taken at different times?

I have several photos of similar subjects on the same background. As they were taken outside at different times, the lighting conditions are different, and so the colours in the photos aren't ...
8
votes
1answer
471 views

How do I compare these two lighting systems?

I'm looking into getting a light system. I have been reviewing the light packages on the Elinchrom website, and mostly looking at the D-Lite 4 vs the Quadra Ranger. Besides the price, I would like ...
7
votes
10answers
6k views

Why can't I shoot with a fast shutter speed with my continuous light at max power?

I would like to ensure a sharp focus of my object when shooting overhead (both object and background in focus). However, when shooting in manual at f/8.0 and ISO100 my shutter speed has to be 1/4 for ...

1
2 3 4 5