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Questions tagged [exposure]

Exposure is the total amount of light allowed to fall on a sensor or film during the taking of a photograph. This is determined by the exposure time (shutter speed) and amount of light admitted (lens aperture). Today, sensor/film sensitivity (ISO speed) is often also considered to be part of ...

3
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2answers
88 views

How can I bump up shadows in post without overexposing the image?

I'm trying to create a Photoshop/Lightroom RAW processing preset to process 1200 images for photogrammetry. It's important that the lighting on them is as flat as possible and the shadows get bumped ...
12
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3answers
2k views

What are physical causes of clipping?

What exactly limits modern digital camera sensors in capturing light intensity beyond certain point?
2
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0answers
42 views

Canon DSLR photos underexposed [duplicate]

I have a canon DSLR and even in Manual mode or with proper settings, I have to bump aperture, shutter speeed AND ISO to get photos to be even CLOSE to the right exposure. Currently have my ISO set to ...
11
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10answers
4k views

Either background is overexposed or the foreground is underexposed. Are there possible solutions/approaches?

I use an Olympus EM-10 with a Panasonic Lumix MFT lens. No other accessories apart from the build in flash. I trained a situation in a restaurant to take a picture of the table inside with an outdoor ...
4
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3answers
2k views

Are burned out highlights bad?

I have read many answers and articles saying that I should avoid blown out highlights, but is it really a bad thing? Why should I avoid it?
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1answer
45 views

How to use Pentax A3000 in dim lighting?

My Pentax A3000 doesn't have shutter speed control, only ISO and a few modes, B (bulb), 60 for flash, program, and aperture. I keep it on program, but what should I do if I want to shoot in darker ...
12
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3answers
1k views

Why do my photographs taken with a film camera look so saturated?

I’m starting to shoot photographs using my Dad's old camera, an Olympus OM-4. I’ve noticed that in comparison with my friend's photographs mine are a lot more saturated. Why can it be? Here's an ...
3
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1answer
78 views

What is causing dark pictures in Auto Exposure mode?

I have been using my Nikon D40x in Automatic mode, and it went from taking beautiful pictures to suddenly taking very dark pictures. I have done a "reset", thinking that I must have hit a button that ...
2
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2answers
119 views

How to get bright concert photos?

I've been starting to shoot some live music recently and have been doing an okay job and see an improvement with each time I shoot. However recently I was shooting and all of my photos have come out ...
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8answers
3k views

Does using long exposure together with ND filter make the scene look more evenly lit? [duplicate]

Suppose I try to shoot a piece of forest with trees casting dense shadows during daylight. It looks something like this to a human eye (part of larger and more detailed image from here) In the image ...
2
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1answer
88 views

Night portrait with noiseless in focus background [duplicate]

We know to take a noiseless night landscape/cityscape, we need use a tripod and set a low ISO. For example in a scene I use ISO 100, aperture f/8.0 and exposure time 30 seconds, I get a night ...
3
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2answers
68 views

Requirements for long-exposure night time webcam

I am working on a computer vision project that requires repeated measurements of the amount of light a specific building emits at night. I want to set up a webcam and a Rasperry Pi, and set it to take ...
0
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0answers
40 views

Which cameras can shoot how many AEB frames?

I have always liked photography and have recently acquired a Rebel T6 as my first DLSR. I have always been interested in HDR photography and have been experimenting with it for the past couple of ...
0
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1answer
46 views

Why would a webcam image be brighter in the corners, rather than in the middle?

I have a webcam mounted inside an integrating sphere, which is dimly lit by LED and produces nothing but sensor noise. It's part of a daft random number generator I built. This arrangement is like:- ...
22
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5answers
5k views

Why doesn't the picture become darker the more you zoom in?

As your lens's focal length gets longer, fewer photons pass through the lens to hit the mirror/sensor. Why don't you see darkening when you look into the viewfinder and zoom in with a zoom lens, and ...
5
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5answers
665 views

Can I maintain the same flash pulse duration but increase light with multiple flash units?

I own a Yongnuo YN-560 III speedlite, and I found out that it lets me freeze motion (for example, a water splash) at 1/16 of its power. However, the amount of light at 1/16 is not enough to properly ...
11
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6answers
4k views

Why are flash pulses so short?

I was surprised to learn that most flashes last only 1/1000s instead of lighting up for the entire exposure time. Why? If the flash were to light up before the shutter opens and turn off after the ...
0
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1answer
194 views

why exposing with 18% gray card does not give IRE near 40?

I am trying to understand how to get perfect exposure using gray card. With my Sony a6500 using ITU709 gamma, I locked exposure by doing spot metering on the gray card. When importing in final cut pro ...
3
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4answers
435 views

Why are my photographs on Kodak Portra 400 coming out hazy and gray? Am I getting the exposure wrong?

I'm pretty new to film photography and photography in general. I've been taking my cameras (Canon A-1 or Pentax ME super, portra 400 film) with me to most places and trying to gain as much experience ...
4
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4answers
871 views

With the same camera settings, will a photo always be exposed correctly across different cameras?

I want to do a photo shoot using film, but due to not being able to see the shots I've taken I would first like to take a digital photo, then recreate it using film. If I used the same focal length, ...
1
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1answer
121 views

How to do this prismatic/double exposure effect?

Hello all, just saw this picture on Instagram and was wondering how they got this effect and what the effect is called? Double exposure?
0
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1answer
100 views

Exposure value changes but image brightness remains same (Nikon D5600, Manual Mode)

I have Nikon D5600. I have tried several times in Manual mode to change the exposure value by pressing the exposure button (given in the top control) and rotating the dial. I can see that the exposure ...
13
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5answers
3k views

Lighting up a subject during sunset without a flash?

I’ve recently been trying to experiment with sunset portraits but I keep encountering a problem where the sky is lit up exactly how I want it but the subject is under-exposed, with little to no ...
3
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2answers
275 views

How can I get consistent exposure while allowing aperture changes on Fujifilm X-T2?

I'd like to change aperture and keep the exposure consistent while taking multiple photos of one scene. I am aware of the exposure triangle. I know I need to increase ISO or decrease shutter speed by ...
9
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2answers
3k views

Is the white balance wrong in these field poppy pictures?

Yesterday I went out to take some pictures of a field of poppies next to my home. There seems to be something wrong with the color in most of the pictures. The first one of the following 3 pictures is ...
12
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2answers
2k views

How to capture rays of light in a photograph using a DSLR camera [duplicate]

I'm using Nikon D750 DSLR camera. How can I capture the rays of light as represented in these two black and white photographs? I mean in terms of ISO, aperture and shutter speed and filter use. by ...
2
votes
3answers
99 views

What's the most important factor to get clear images using high telezoom on moving subject?

So let's assume I've got the focus nailed down, so my focus is the best possible. I have a single subject I'm shooting at very high telezoom on Panasonic TZ-80, using 60x or 120x zoom, so the camera ...
1
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2answers
52 views

Using dedicated light-meters in moon-lit / very dark scenes

One part of Michael's answer to long exposure caught my eye. He stated that most camera light meters would find it difficult to meter dimly lit scenes such as a landscape illuminated only by the moon....
5
votes
3answers
141 views

Digital zoom: Is the exposure computed using the zoomed frame?

I am trying to focus on the differences between digital zoom and cropping an image afterwards. This is discussed in detailed here: Is digital zoom really useful? focused on the compression ...
3
votes
3answers
207 views

Reasonable setup for ultra long exposure for this kind of photo using Nikon D750

I'm using Nikon D750, and intend to take a ultra long exposure picture such as this (by Michael Kenna). What's is the reasonable shutter speed and aperture for that? If I use shutter speed 2 hr what ...
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2answers
77 views

What manual settings should I use for a photoshoot for a salsa class? [closed]

I'm taking a photoshoot for a salsa class in a hall with very limited lighting. Can you suggest any good manual setting, as I am fed up with using auto. I have a Canon EOS-760D with Sigma EX10-20mm 1:...
4
votes
2answers
282 views

Why doesn't Darktable's histogram match the one my camera shows?

I'm using Darktable 2.4.2 with Canon 6D. The problem is that when I import a raw image, and apply the Canon 6D base curve, the histogram is totally different with respect to the histogram visualized ...
2
votes
1answer
200 views

Why is my DSLR's exposure meter always showing high exposure?

I own a Nikon D5300. After a few months, my camera is showing this problem. The exposure meter is always showing high exposure. But the camera is working fine. Please suggest a solution.
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2answers
115 views
3
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3answers
107 views

In-camera light meter & manual lenses

Prompted by my own answer to "Photographs cannot be taken" with manual lens and wireless triggers with off-camera flash & in reference to How do I take the right exposure quickly with ...
9
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3answers
562 views

Lighting variances on sport mode

I’m trying to shoot continuous movement indoor im Sport Mode. The room is well lit but the photos come out with drastically varying lighting so some photos in the sequence are well lit while others ...
2
votes
3answers
134 views

Effect of lens on the exposure metering [duplicate]

Last weekend I was shooting in studio and tethering to laptop as well. First I measured everything and shot the portrait with a 24-70mm lens at f/2.8 Then I switched to 85mm lens and didn't change ...
3
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2answers
76 views

Exposure preferences

Whenever I shoot with my Nikon D5300 in manual mode I set settings so that photos have bit more pop to them - brighter than what the camera exposure meter says the correct exposure is. For instance, ...
5
votes
5answers
218 views

If I push film can I keep all other settings such as aperture and shutter speed the same or do I have to change them as well in some way?

If I push 160iso film by 2 stops, and shoot a scene at 1/500 @ f16 as if I would have shot it with 400iso film at 1/500 @ f16, will I get a similar exposure by pushing the 160iso film? Basically, if ...
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3answers
96 views

How do I use manual exposure settings? [duplicate]

I have a Panasonic Lumix DMC-FZ60. The problem is I don't really understand the workings of ISO, aperture, and shutter speed. Whenever I go into manual mode, the pictures I take are pitch black. I ...
3
votes
1answer
751 views

Can I set exposure time to greater than 30 seconds with the Nikon D750's built-in Interval Shooting?

Is it possible to set exposure time greater than 30 seconds while using interval shooting? I know we could set the interval, number of intervals and number of shoots I each interval but i can't find ...
9
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3answers
3k views

Am I wrong to judge my exposure using my smartphone?

Context: I recently purchased an Olympus OM-1 film camera. Upon receiving the camera, I realized the battery for the light meter was dead. I'm a (very) amateur photographer so, naturally, this is a ...
2
votes
6answers
456 views

Canon Live View: How to capture the exact image displayed on the screen?

When enabling the flash (by deploying the built-in, pop-up flash; or by using the hot shoe with an external flash device) the apparent brightness of the image displayed on the LCD monitor (LiveView) ...
10
votes
4answers
2k views

Why does wider aperture make snowflakes look bigger?

Recently I went out to shoot when it was snowing. I was playing around with different aperture sizes and exposure times. What I have noticed that the wider the aperture, the more snow I can capture ...
4
votes
4answers
363 views

Unclear whether grey card can be used for exposure in post production?

I only use a grey card a little, but need to use it more to get more consistent product photo's. I understand how to use it to adjust white balance in camera, in Photoshop and Camera Raw, however I'm ...
-1
votes
2answers
132 views

What are these dark spots on my picture

I took the picture in a hospital room. The spots are not the patients bed. I tried cleaning my lenses. I also took other pictures and this is the only one that has the spots.
7
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2answers
1k views

Cutting film in half - what does it do?

I found this article about different types of film. Nicholas Nixon shoots 11×14 Kodak Tri-X and he says this: “Tri-X Professional 320 ISO rating, but I cut it in half because it makes the shadows ...
3
votes
1answer
196 views

Can I keep the 'Constant Preview' feature active during MF assist on my Panasonic Lumix?

I have a Lumix G7, here's the issue I'm in Manual mode, and I have Constant Preview on, so if I modify the aperture, shutter speed, ISO, WB, I see everything correctly in the preview. However, if I ...
-2
votes
1answer
95 views

How to find suitable manual exposure settings based on the light and subject? [duplicate]

I'm using Canon 700d with 18-55mm and 55-250mm Kit lenses. Somedays my camera manual settings suits the environment and I'm able get some great shots.(Sea shore,Road,Terrace). But sometime I'm getting ...
0
votes
0answers
43 views

Why are my photos getting darker gradually at the bottom [duplicate]

A lot of my photos gets this effect where at the bottom of the photos, the exposure decreases gradually. Is there any way I can avoid this? The lighting setup I used was, bouncing the flash on the ...