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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.

2
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3answers
118 views

Why does the camera output an image with multi-colors not shown by the naked eye under the projector?

I was shooting in a gallery that used what appears to be a multi-colored projector and had difficulty shooting in that type of scene as the color was not even across the scene. The image shown below ...
5
votes
1answer
526 views

Why is the bottom of this image over-exposed?

I am getting a lighter edge on the bottom of my images... I have googled and can't seem to find anything that points me in the right direction to the cause. Any ideas? Info: Canon 6d OrLit ...
0
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1answer
53 views

Easiest way to make a 1x1 foot surface permanently not (or less) reflective? matt spray, matt vinyl or else?

I am taking pictures with a drone and I need ground control points (such as this) for rectifying the images. I used standard vinyl to make the checkerboard pattern. It is terrible. It is reflecting ...
-1
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1answer
67 views

Carry bag product photography [closed]

This is my project to challenge myself this week. Getting a professional product photography done for a transparent/ semitransparent carry bag. Challenges - it doesn't not have a firm shape - ...
2
votes
2answers
189 views

How is the illusion of light streaks achieved in this photo? [duplicate]

I've seen a photo with a nice light streaks illusion, that I believe was captured in the camera itself rather than added in post-processing. Can anyone explain how one can replicate it?
3
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4answers
438 views

How to create a gray/black color background in a photograph

These are two examples of photographs with black background. My question is how can I set the background like that? Was it through post-processing or on shoot? by Saul Leiter And this by Hélène ...
3
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2answers
300 views

How was this Penelope Cruz photo by Peter Lindbergh lit?

(published in this CNN article). The catch light seems to show us a big window with people standing in front of it. But wouldn't window light produce a more flat lighting? There is a clearly visible ...
3
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2answers
180 views

Why does saturation drop in the shadow areas?

source: http://www.vintag.es/2012/11/ussr-in-colour-photos-1963.html My question is the following: Why does the saturation drops in the shadow areas? Has it something to do with the blue-ish sky ...
2
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3answers
232 views

What visual effect can be seen in the following picture?

I saw this picture on Behance. As an amateur photographer, i just want an analysis of the picture and help in how to recreate it with a different object. original picture credits - Kremer Johnson ...
1
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1answer
95 views

What size is the light beam angle from typical flashlight?

I want to make a handmade LED-flash for my project. I need to know an angle size of a beam from typical flashlight. Let's say from Samsung WB50F for example. It's a Xenon one, but what is the angle of ...
4
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3answers
1k views

How to edit photos shot in fluorescent light

I recently shot a series of pictures (portraits and group shots) in a room with bad (fluorescent) light. I had no possibility of changing that lighting situation. Now back at home and in Lightroom I ...
4
votes
3answers
169 views

What causes this dark outline produced at the edge of objects in these images?

I'm working on perfecting a green screen algorithm and noticed I was getting a very pronounced dark edge around objects in some scenarios. When trying to figure out what was causing it, I noticed my ...
4
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2answers
244 views

How do you shoot UV images with a full-spectrum camera?

I've had my Sony NEX 3 camera converted to full spectrum and I really like what I can do now. In a previous question, I was curious as to how I could revert the camera to shoot visible light using ...
0
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2answers
168 views

What are the characteristics of light?

RE: https://www.shutterbug.com/content/characteristics-light-quantity-quality-color-direction This article lists 4 characteristics of light: Quantity Quality Color Direction Aren't size and ...
2
votes
1answer
576 views

Why am I getting a lighting gradient or flickering during daytime with fast shutter speed?

While using a Canon 1Dx Mark II, I noticed there is a flicker in the light when I shoot at high shutter speed (1/4000 or faster) in burst. Basically, there is a gradient between two pictures similar ...
8
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2answers
1k 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 ...
1
vote
1answer
273 views

Cross Polarization: Are linear and circular polarizers compatible?

Can cross-polarization be achieved with two linearly polarized (flash) lamps; one either side of a circularly polarized lens? Lens attachments tend to be circularly polarized, while the PVA sheets ...
0
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1answer
231 views

How to achieve a glowy/dreamy light look

I have noticed some photos have this glowy/dreamy light effect. I am not sure how this is achieved (shooting/editing??). Does anyone know? I have included an example.
10
votes
5answers
221 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, ...
3
votes
4answers
75 views

Can I dim lights by making amount of power smaller?

Can I dim lights by making amount of power smaller? I'm using Falcon Eyes LH-ESB6060K lighting kit. I thought, It should be possible, but is it safe? And is there any other way to dim it?
0
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1answer
65 views

General purpose opitcal filter for blocking any light

This image shows a polarizer: It's only blocking certain light waves. Is there a filter which blocks all light waves (like a shutter) but which is "controlled" (by manual rotation) like the ...
0
votes
1answer
166 views

There is an app or a trick to emulate Portrait Effect on non plus iPhones?

I love the "portrait effect" on my iPhone 8 Plus. Is there an app for the other iPhone models which can emulate it? I'm specifically interested in two things: Background bokeh Studio lights Here ...
5
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3answers
241 views

How to deal with single channel overexposure?

I've been shooting quite a few gigs at clubs/concerts and repeatedly experience issues with scenes lit by small bandwidth lights (for example lasers). These lights cause a single channel to ...
0
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1answer
123 views

My light measurement sensor is returning random (bad) values in my Pentax K-50

Recently I noticed on my Pentax-K50 that the light measurement sensor randomly returns wrong values, resulting in images which are way too dark. For example in well-litt rooms inside I had to crank ...
6
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6answers
3k views

Why use ISO instead of Aperture and Shutter speed? [duplicate]

I am a beginner in photography and I don't have the right understanding for some things. As I understand, with the ISO the camera is more or less sensitive light, with a darker image, a higher ISO (...
2
votes
2answers
149 views

Strange light when shooting long exposure [duplicate]

I've been experimenting with some photography for a few months now and I noticed that this happens on pictures with lower shutter speeds: What is this, why does it happen and what can I do to prevent ...
1
vote
3answers
183 views

Light at the end of tunnel effect

I'm trying to create a bright light/tunnel light/heaven light effect on DSLR video in which I'm getting closer to the light source. I tried pulling the curtains shut in a room during daytime and ...
1
vote
1answer
189 views

Cheap lighting setup for shooting portraits in pitch darkness?

I'm going to be shooting some photos in pitch darkness at a campsite -- we had a friend shoot them last year, but he's a professional photographer and brought expensive strobes and lighting gear. This ...
0
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2answers
125 views

Choosing overhead lights for a garage studio

I am building up a garage studio and have a c stand setup with an overhead camera (Canon 5d Mark II with EF 100mm f/2.8L Macro IS) somewhat similar to the setup here. I’ve been researching overhead, ...
3
votes
1answer
130 views

Why are specular highlights sharp when focusing on close object?

I am trying to understand how specular highlights work. As I understand specular highlights are created by reflecting light-sources in a mirror-like fashion. Because faraway reflected objects are out ...
4
votes
2answers
363 views

What's the difference between shooting in daylight and at sunset?

What's the difference of light between taking photos near sunset or during midday sunshine if there is any? Why would you go for a photo at sunset instead of a daylight photo when the sun is higher in ...
2
votes
4answers
249 views

How much exposure is too much considering late dusk pictures?

I tend towards darker pictures when it comes to dusk/dawn shots. Of these two, again I tend to the darker. But is the lighter photo here better in terms of the exposure? I am trying to capture the ...
0
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1answer
140 views

Bendy distortion of straight lines in infinite mirror

I was in one of those mirror mazes where they have massive mirrors in a maze structure. However, these mirrors were lined with LED light strips, which were straight, because they were on the edge of ...
0
votes
1answer
77 views

Is there a connection between color temperature concept and Hershel's color temperature experiment through which he discovered infrared? [duplicate]

I just watched a Cosmos episode about Hershel's experiment, of which i think i was not aware. According to it, red light temperature is higher than blue (measured in celsius). As far as I know, ...
0
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3answers
165 views

Variation or inconsistency in Flash light on same setting

I have a new pair of Apkina TTL 568 flash with soft boxes. I am operating them with trigger. When I take the picture, Flash lights do not give me same light for all the pictures, like for one picture ...
1
vote
1answer
626 views

How to avoid light flares in long exposure night shots

I keep viewing other photographers night shots and see that they're very clear shots, when I shoot even with the same settings, my shots aren't so clear.. here's example: Question is: How to avoid ...
4
votes
3answers
396 views

What is the problem if sun is behind me? What does that signify? Where should the sun be when I take photos?

In the question Why do breathtaking views turn into “boring” photos, and how can I do better? I read: The sun was directly behind you, just like it used to say on the old Kodak info sheets that ...
5
votes
2answers
2k views

Measuring light sensitivity with dB instead of ISO

The highest ISO camera that I'm currently aware of is the Canon ME20F-SH, which goes up 4.56 million ISO (correct me if I'm wrong). In camera, it measures light sensitivity in dB gain instead ISO. Why ...
0
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2answers
171 views

Lock focus and lightning with Nikon D3100

I am trying to shoot a video with perfectly white background with a similar setup as described here: http://www.gowallaby.com/how-to-get-a-white-background-in-video/ However, Im using Nikon D3100 ...
5
votes
2answers
975 views

How to understand flash distance scale when used with a wireless transmitter?

I am reading Bryan Peterson’s book, Understanding Flash Photography. In this book, Bryan mostly talks about using the flash in manual mode and not in ETTL mode. I own a Yongnuo 600-Ex-RT speedlight ...
3
votes
2answers
746 views

What kind of flash triggers do I need to fire both a Canon and Yongnou (for Canon) flash?

I'm new to studio lighting. I have continuous lighting, but I loathe it. I have been slowly moving to using flash lighting in studio. I have 2 speedlights: 1 Insignia TTL External Flash for Canon ...
1
vote
3answers
385 views

How does the car disappear in these pictures?

I took a few pictures of cars on the highway at night with a 4-second shutter speed (automatic aperture and focus). Sorry for the blur in the second one, I left my tripod at home. In the first ...
9
votes
5answers
6k 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 ...
0
votes
3answers
370 views

Dark photos at apertures of f6 or f8

I am trying to test for a photoshoot of a model on white background and most of my images are coming out very dark unless I increase my aperture to the maximum. I am using a fixed 50mm lens, shutter ...
1
vote
6answers
677 views

What light to use for my white background?

I have an inexpensive set of two lightboxes which I use to shoot a model for e-commerce images. Generally, I use one lightbox to light the background and the other one for the subject. But there is ...
1
vote
1answer
207 views

Is it possible this is sunlight?

Is this sunlight on his right shoulder? It doesn't seem like the angle is correct for this light to be sunlight.
11
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2answers
3k 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 ...
0
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10answers
2k views

Is black a color or a lack of color?

Is black a color or a lack of color? What are the characteristics that defines a color?
2
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2answers
385 views

Can I use a beam splitter to record two images using the same lens?

How's the best way to record two images coming through a single lens. One being a infrared and the other being visible. My plan was to use a beam splitter between the lens and the sensor to reflect ...
1
vote
2answers
212 views

How did photographers get the exposure right back in the day with only full-stop increments?

I've noticed that with some older cameras you only have half-stop increments to ISO, f-stop and shutter speed. Look at Wikipedia on f-stops, I see they have the full-stop, half-stop and third-stop ...