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
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 ...
4
votes
2answers
143 views

RAW Photo of the Moon - How to take pictures of objects in front of a (bright) moon?

I have an object in front of the moon and I wanted to take a RAW (NRW) photo including the moon and the object in front, thinking that I can fix the illumination/overexposure later in Lightroom. But I ...
4
votes
4answers
90 views

Light source giving wrong color

I have been trying most of the settings in my Nikon D3500 to take indoor pictures of my home in dusk situation, or at least what you think is dusk situation, it is hard to explain. I have a very ...
3
votes
1answer
71 views

Light diffuser to mix colours - does it exist?

Say I need a light box to emulate natural light. I have 9 white sources of light and few colored ones. The sources are LED panels 4x10cm so its not a point light (there are no individual LEDs - the ...
1
vote
3answers
211 views

Dark images problem (low exposure) with canon 650d

I have a canon 650d, recently the camera is taking dark photos (low exposure) I always use good settings/standard, but somehow it started giving dark images in the picture below I was under a strong ...
1
vote
3answers
103 views

Does light hardness affect color saturation?

I've read in couple of sources that level of hardness of light affects color saturation somehow - harder the light more saturated colors are. Is this actually true or not?
5
votes
2answers
157 views

How to dismantle this small octagonal softbox?

I need help to dismantle a softbox. The model is an Elinchrom 22" Portalite octagonal softbox. From memory it was exceptionally difficult to assemble and now I'm finding it so impossible to ...
3
votes
2answers
349 views

Can I damage my camera by shooting directly at a lightbulb in the ceiling?

I got my first dSLR, a Nikon D3500, a few weeks ago. Today I was trying out manual mode and for some reason I thought it would be cool to shoot pointing directly at the lamp/lightbulb in the ceiling ...
1
vote
1answer
58 views

Which stand or adapter for Colorspike light fixture?

I have these ColorSpike lights that I want to put on a stand. They come with a stand adapter that ends with a 5/8" male stud. So now I am confused: apparently, usually these studs appear on the ...
1
vote
2answers
92 views

What's the point of this “reflector” that comes with my Godox SL-150W Light?

I can't figure out what this piece that came with my Godox SL-150W is supposed to do. It doesn't seem to be mentioned in the manual that came with it, but I might have missed it due to not knowing the ...
0
votes
1answer
42 views

measure luminanace with lux meter

can we measure luminance in cd/ m² with a lux meter? I measured illuminance of 35 lux. and since cd = lux*distance² I took some distance of 30 cm and got 3.15 cd. I know that my led-grid surface is ...
5
votes
6answers
300 views

Would there be a noticeable difference between long exposure and brighter light?

If I take one photo with long exposure and dimmer lights (e.g. constant lighting) and then another photo with short exposure but lights brighter to the level enough to compensate for the shorter ...
2
votes
2answers
56 views

Best Flat Light Diffuser for a High-Intensity Flashlight

I am doing some experimentation with a compact lighting kit to use for capturing textures, hence some constraints. I am using a high-intensity flashlight like the Acebeam X80-GT placed at a 1-3m ...
2
votes
2answers
177 views

What is the effect of relative size of light source vs diffusion on the quality of light?

I have used large softboxes for my portraiture quite a while with good success. However, I come across the topic of diffusion vs size of the light source quite often. While I know, that the relative ...
0
votes
2answers
110 views

How are these photos got same color flavor and look so similar?

I'm trying to understand, how all these photos got the same color flavor. The main problem I see - they are all shot under very different lighting conditions - like inside of a flat and on a sunny ...
1
vote
1answer
218 views

What might have caused this Leica M6 light leak?

I just bought a Leica M6 a week ago, and developed the first and second roll I took. The photos in the first roll showed no problem, but the in the second roll, the first, second, and third photo is ...
1
vote
2answers
198 views

What is the cause of a dimmer image of a light source in a photo? [duplicate]

Why does an image of the panel appear to left side of the actual object when the picture is taken if the lamp in a switched on state?
1
vote
0answers
36 views

Nikon d7100 top lcd ligh turns on when flash is fired

Today while shooting I noticed, that when I use an external flash, the top LCD light turns on. I turned it off, by clicking to the bulb icon as usually, and when I fired again, it turned on once again....
0
votes
1answer
121 views

How can we calculate effective megapixel loss due to diffraction?

How can we calculate an image's effective megapixel count at each aperture setting, specifically as loss relates to diffraction? Assume that we already know the sensor size, its true megapixel count, ...
4
votes
2answers
263 views

Why are mid-day images dull?

When I take pictures at mid-day, well before the golden hour, my images are usually dull. They seem hazy, low in contrast (perhaps due to haze?), and lacking in saturation. My suspects: Sensor ...
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. ...
0
votes
1answer
300 views

What's this problem with light in my photos called? [duplicate]

I take photos with my phone (a Galaxy S9) frequently and this problem seems to plague me every time I try taking photos indoors near a window during daytime. The light from the window which is above ...
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
vote
2answers
252 views

What is a more accurate name for “Full-spectrum” photography?

Photography enthusiasts (and Wikipedia) often call photography that happens outside of the visible spectrum full-spectrum photography. From a scientific standpoint, however, I do not believe that ...
-1
votes
3answers
98 views

Real light increments using aperture scale in fractional stops

In the case of using f-number with full stops, the +1EV step means 2*light because the Area (A = πr^2) in the diaphragm is doubled (i.e. radius*√2). However, I don't know why in fractional stops such ...
1
vote
1answer
1k views

Correct Exposure with Polaroid One Step 2

I have a Polaroid OneStep 2 with itype film, and I have some problems on how find the correct exposure. Precisely, almost always I get a picture which is overexposed or underexposed, and I do not know ...
0
votes
2answers
554 views

Calculate the right ISO and exposure compensation based on the ambient light

I'm new to photography and I'm working on this project where I need to find the right balance between ISO and exposure compensation, to take pictures in different environments. This is an App for ...
1
vote
1answer
425 views

How do you meter shadow with Nikon FM2 built-in light meter

I tried to follow the old adage "expose for the shadows, develop for the highlights", so that I can capture the shadow detail. I only have Nikon FM2 light meter. How can I meter the shadow with it?
1
vote
1answer
82 views

How can I best use two torches (aka flashlights) to take photographs of my artwork indoors?

I have two lights in my room but their light is not enough. So, I count them as ambient light. I don't have enough money to buy something expensive like studio stuff, but I have two torches similar ...
2
votes
3answers
208 views

How to get rid of brighter dark areas of the object while taking photo or by editing it later?

I'm having a little hard time taking photos of my pencil drawings. I recently posted a question about noise & blurriness. Here the thing is, my art looks much better on paper but when I take ...
1
vote
3answers
295 views

Why does the Y component in YCbCr represent luma/intensity?

As far as I know, the RGB to YCbCr conversion is just a linear transformation, yet the Y channel successfully captures the intensity value of each pixel. How? In other words, where do these magic ...
3
votes
3answers
2k views

It is correct to match light sources with the same color temperature?

For example, the color temperature of a candle flame, sunrise and sunset have the same color temperature, knowing that its color temperature is the same, could you say that these sources are similar ...
3
votes
4answers
977 views

Do cameras actively filter out UV light, or only infrared?

I know that a camera has a filter in front of the sensor to limit incoming light to the visible spectrum, to replicate what a human eye can see. But wherever I look on the internet, I always read ...
0
votes
3answers
203 views

Light falloff - until lens surface, focal center, or camera sensor?

Preface: if there is a better-suited forum for this question, please direct me. I figured it'd be better to post into Photography and not Physics as some of you might have already examined this ...
1
vote
3answers
165 views

How to get the most out of low-level monochromatic light?

Do you have any best practices in general for shooting in low-level monochromatic light? This is easily my least favorite lighting condition. Say you're at a Halloween party, and everybody is hanging ...
2
votes
3answers
363 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
554 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
votes
1answer
57 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
votes
1answer
80 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
759 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
votes
4answers
1k 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
votes
2answers
759 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
votes
2answers
607 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
votes
3answers
282 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
vote
1answer
634 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 ...
5
votes
3answers
6k 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
369 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
votes
2answers
923 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 ...
1
vote
2answers
3k 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
2answers
899 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 ...

1
2 3 4 5