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.

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3
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1answer
519 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 ...
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1answer
2k 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.
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5answers
539 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, ...
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4answers
109 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
69 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
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1answer
184 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
588 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
304 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
5k 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 (...
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2answers
583 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 ...
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3answers
297 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
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1answer
236 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 ...
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2answers
270 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
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1answer
328 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 ...
5
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2answers
597 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 ...
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4answers
401 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
274 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 ...
-1
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1answer
104 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
626 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 ...
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1answer
993 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 ...
3
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3answers
1k 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 ...
4
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2answers
5k 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 ...
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2answers
457 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 ...
4
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2answers
2k 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 ...
2
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2answers
1k 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 ...
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3answers
525 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 ...
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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 ...
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3answers
690 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 ...
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6answers
1k 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 ...
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1answer
223 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
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 ...
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10answers
3k 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
905 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 ...
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2answers
262 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 ...
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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 ...
7
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5answers
2k views

Does over- or underexposed give the most life-like post-edit results?

I have a Canon 600D with a 70-200 f/4 L lens, and I often photograph people outside in bright daylight. Now, I always shoot RAW and do some post-editing in Photoshop/Lightroom, but I'm not sure how to ...
7
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6answers
6k views

Why in a photo light lines of street lamps? How to remove them?

Shutter speed - 32 sec. Aperture - f/9 ISO - 100 Lens - EF-S18-55mm f/3.5-5.6 IS II Focal Length - 39 mm I have took the photo through the window, with the lights off
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4answers
734 views

Is there a Safelight rgb or hex frequency?

My wife is a Black and White film photographer. I was wondering if there is a color code that I could use as a basis for a helper app?
0
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3answers
1k views

How can I automatically get a (approximate) Lux value from overexposed and underexposed pictures?

As you will soon understand, I am not a photographer. For research in a completely different field, I am interested in estimating, even with a large approximation, the brightness of the environment in ...
6
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1answer
347 views

Can videoing burning magnesium damage a camera sensor?

I have possibly had the misfortune of videoing a bright performance of burning magnesium at night before I realized what it was. I probably filmed it for 10-15 seconds and now I am wondering if it ...
6
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4answers
678 views

When do I have to readjust the white balance in studio?

Let's say model wears dress number 1, I setup my lights to light setup 1 and we hold a gray card a shoot it and set the white balance of camera on that. Now if model changes to dress number 2 and I ...
4
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2answers
839 views

Can golden/blue hour light be simulated?

Photographers love the light available in the golden hour (just after the sun rises and before it sets) and blue hour (just before the sun rises and after it sets). Part of the reason for that is that ...
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1answer
560 views

What's the use of light source directly above model's head?

I have seen many behind-the-scenes photos that depict a large diffused light source (like a LastoLite Skylite Rapid) placed above model's head. Imagine it is like a ceiling. What is this done for? ...
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2answers
324 views

Getting this radiant but soft glow, without losing color intensity or looking overexposed?

I see photos like this sometimes that look, almost, like the subject is glowing or is suffused with light. (I don't know how else to describe it.) I seem unable to get this effect without just making ...
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3answers
388 views

Is there a trick to use the correct NDx filter? [duplicate]

I have 3 ND (neutral density) with values of 2, 4 and 8. I know these filters remove light levels, but I don't know when I have to use each filter. Thanks for your time!
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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 ...
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2answers
9k views

How do I set the exposure manually on a Nikon D5100?

I bought a year ago a Nikon D5100, but there is still one thing I don't know about it : how do I set my exposure manually? I can set it with the AE button, but is there a way to set it manually, I ...
3
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2answers
277 views

Do circular polarizer gels for creating left and right handed polarized light exist? [duplicate]

I am looking for a polarizer gel for our lights, but specifically one for creating left or right handed circular polarization. I can find linear gels all over the place. I can even find circular ...
5
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3answers
262 views

How can I photograph bright lights properly?

I built a toy light saber, and I'd really like to get a good picture of it. This is what it looks like when I try to take a picture: The blade is not actually that color. With my own eyes, it looks ...
0
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1answer
458 views

Where can I find a cold-shoe adapter for Sony's multi-interface shoe?

I need a small cold shoe adapter, with lower side 1/4" thread (screw or nut) and upper side multi interface shoe mechanical compatible. I need this cold shoe for a off camera (rf wireless) Nissin a700+...