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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 ...

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6
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4answers
1k views

How to get meter reading for a DSLR if not from a gray card?

I read an article called Expose (to the) Right, which explained why you should try to get the graph of the histogram as much to the right of the scale as possible. The reasoning is that DSLRs record ...
1
vote
4answers
96 views

How many exposure stops can I “recover” from a RAW file?

I shoot RAW because the Pros say "shoot RAW". I also shoot bracketed because in a lot of situations (landscape for instance) I can blend them and expose both the terrain and sky correctly. But my ...
7
votes
8answers
677 views

Are RAWs in bracketed exposure (mostly) redundant?

When I my camera takes RAW+JPEG with bracketed exposure (-1/0/+1 EV), it seems to me that the only difference that could logically exist between the RAW images is the shutter speed. If I assume that ...
1
vote
2answers
6k views

What causes outdoor photos to turn out bright white when taken with a digital camera?

I set my Canon Powershot A460 to automatic mode and took photographs outdoors. When I see the to-be-photographed area on the LCD, it appears normal; but when I take a picture, the photo turns out ...
0
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0answers
47 views

How much exposure (in lux second) required for camera to yield middle gray image?

As I know, for any lighting condition, there is a recommended/indicated/correct exposure value for the camera to render the object as middle gray. The indicated exposure value can be calculated from ...
1
vote
1answer
51 views

How do I calculate the total exposure value of two light sources?

Assume that I'm taking the photo of a lamp in an outdoor cloudy day. The lamp itself has the luminance corresponding to 17EV. The environment has the illuminance corresponding to 14EV. What will be ...
0
votes
3answers
483 views

Why is my D3300 taking dull, over exposed pics?

Hi everyone, I am a doctor who has been recently introduced to the wonderful art of photography. My first camera was a Sony Nex 5r with 16-50 kit lens and I had a gala time with it. I ...
12
votes
6answers
615 views

Are meteors dim?

I was out last night trying to shoot the Geminids meteor shower. I was using a Canon 5D2, 17-40mm f4.0 lens set to 17mm and f4.0, ISO 400. The camera was mounted on a non-tracking mount (only because ...
2
votes
3answers
146 views

Why are my photos with a Godox V860C coming out underexposed?

I have a Godox V860C light and a Godox Cells II remote trigger. I've set this up with an umbrella box and took a few photos. They look underexposed. I'm not sure what's going on, but I have a few ...
13
votes
6answers
26k views

How to take fast-shutter-speed photos that aren't dark?

I was taking pictures of some water splashes. I knew I needed a fast shutter speed to make them look frozen in time. I have not used manual mode yet. I use the settings where I can pick the shutter ...
0
votes
2answers
98 views

Does exposure compensation affect shutter speed in aperture value mode?

When I am shooting in AV/aperture value mode, and I switch to +1 EC, will it affect my shutter speed?
3
votes
1answer
57 views

Why does exposure vary subtly between P, A and S modes, when the flash is on?

I took a photo in P mode, with the flash on: I noted the exposure it used — 1/3s at F2.8. I then switched to A mode, set the exposure to F2.8, and took a photo. The camera chose the same shutter ...
0
votes
2answers
87 views

Portraits under a shade tree?

I have a friend who's requesting to have shots made for his LinkedIn profile where he's being photographed at the Mount Auburn Cemetery under the shade of trees. What kind of lighting and modifiers do ...
2
votes
1answer
135 views

How long does the exposure have to be for a specific astrophotography object with a given lense, iso and aperture?

how do I know how many frames I need (overall exposure) for a particular object at a given ISO setting? (200mm, f2.8, canon 6D) I will be shooting on a barndoor tracker, at a very dark place about 40 ...
2
votes
3answers
147 views

How to adjust exposure for both the sky and the landscape?

I am using Canon 600D. I am facing a problem in composing, where I will be taking pics at mid day with full of sunlight, half of my frame filled with with sky and other half any scenery (may be a ...
13
votes
5answers
1k views

Does a viewfinder cover really make a difference?

Does a viewfinder cover really make a difference? I've heard opinions from people that they are essential for scenarios such as shooting long exposure pictures. I'm just wondering if it is only a ...
2
votes
1answer
794 views

What is the relationship between film speed and shutter speed?

I'm doing my own research on film photography and planning to do it as a hobby. One question I keep is "what is the relationship between film speed and shutter speed?" Are the two completely ...
0
votes
3answers
168 views

How do I go about fixing this old photograph?

I was wondering how you would go about fixing this photograph? How would you describe what was wrong with it, over/under exposed? It's an old scanned image, i have a few in the same condition and i ...
1
vote
2answers
707 views

700D how to blink on over-exposure?

How can I blink pixels that are over-exposured, on my brand new Canon 700D? I just can't find the setting for this.
0
votes
0answers
44 views

How can I get a fixed short exposure ( < 2s) with a GoPro Hero 4 Black?

Does anybody knows about way to fix or manually set the exposure of a GoPro Hero 4 Black (FW HD4.02.02.00.00). I want to set short exposure (< 2 sec), so that each shot has the same parameter. ...
0
votes
1answer
99 views

Can I use auto exposure with studio lights?

I was recently given a pair of older studio lights complete with softboxes and a basic hot-shoe trigger. I have zero experience with studio lights I admit. I intend to use it with my Canon EOS 550D. ...
36
votes
8answers
13k views

What are the advantages and disadvantages of using auto ISO on a DSLR?

What are the advantages and disadvantages of using auto ISO on a DSLR? Using manual ISO obviously gives you more control, but auto ISO may mean that you get "the shot" under quickly changing ...
8
votes
1answer
4k views

How to calculate Lux from EV?

Instead of looking up a chart, how can I calculate Lux from EV? Thanks!
1
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5answers
860 views

What is “correct” exposure?

Photography has been my hobby for far too many decades — first on film, and now digital (for about seven years). I recently had occasion to use exposure bracketing seriously for the first time, when I ...
5
votes
2answers
81 views

How does sensor size affect the brightness of an image given the same field of view and aperture?

Lets say we have two image sensors, each one with 1MPixel resolution but differing in size. The first sensor has the size 1/3", the other one 1". Each sensor is equipped with a suitable lens (for the ...
0
votes
3answers
120 views

How to create an image with star trails in the background and clear, bright foreground objects?

Take a look at the following image by Franky Chou: I'm trying to understand how it was even possible. I mean, it's clear how you do a stars' trail shot, but with a long exposure, I feel like the ...
5
votes
4answers
195 views

Is there a camera which can capture all shades from dark foreground to bright background?

Question: Is there a camera that can capture all the shades of a dark foreground object as well as a bright background? I am trying to take a picture of my black cat against a bright summer sky. My ...
2
votes
1answer
37 views

How do I interpret the characteristic curve chart for film, and how does it relate to exposure values?

Here is a characteristic curve of Velvia 50: What does 0.0 value represents (how to interpret it)? How do I convert log H to EV? Let's say I consider a liner part of the curve between -0.3 and ...
2
votes
3answers
12k views

Why am I getting black photos when I use the Manual feature on my DSLR?

I was taking photos a few days ago, and I had it set to Manual. After about four photos, the rest started coming out black. I could see through my eyepiece clearly, and it took the photo normally, but ...
6
votes
1answer
143 views

Why don't cameras have metering modes that expose RAW files to the right?

Cameras could do ETTR quicker and more accurately than humans, and without the risk of actually clipping any pixels. The camera could then write a field to the RAW metadata telling the viewer home ...
0
votes
1answer
77 views

Even exposure for portrait photos [duplicate]

I'm using a Canon Powershot sx510hs which is an advanced point and shoot camera with 30x optical zoom. It has only one focus point at the center. Whenever I am trying to take portraits, having sky as ...
2
votes
3answers
225 views

Skin very red, blotchy in front of camera

I'm shooting vlog-like videos with a Canon SL1. My skin looks very blotchy, pasty, and red (see below). Anyway to fix that? Here are the settings: Shutter Speed: 60 Aperture: 4.5 ISO: 800 ...
4
votes
1answer
80 views

Calculating exposure pre-light meter era

i watched a video on pray pixel about a street photographer with a Leica film camera. So I read a bit about the mechanical Leica, and it said there was no built in light meter. Hailing from the DSLR ...
6
votes
2answers
337 views

When to expose for the shadows vs expose for the highlights?

I'm a beginner photographer and I have read articles that advocate exposing to the right (ETTR) and articles that advocate exposure to the left (ETTL), and this has left me quite confused. I assume ...
1
vote
3answers
104 views

What is exposing for the background?

In every video I watched when they want to shoot the guy who has a blue sky or open background behind him, they say "expose for the background" but I don't understand what do they mean? I am using ...
2
votes
2answers
102 views

When using a ring light, how do I get rid of the dimmed backround?

I just bought a new ring light and I love it! However I would like to use it and still have the backround light up instead of everything going dark. How can I achieve this? P.s I use my iphone 6 and ...
4
votes
2answers
131 views

Is analog gain really actually power-of-two only?

Context I'm using a Nikon D5200, which features extra ISO values between powers of two, that the Nikon D60 did not offer. D60 offers 100, 200, 400, 800, 1600 (1-stop interval). D5200 offers two ...
14
votes
6answers
2k views

Could I have taken this landscape shot better with my P&S, or do I need a better camera?

Edit: Since coming back from Australia, I had my eye on a Sony a5100 for a while, and I bought it in the Amazon lightning deals. I have to say, the Sony takes much better pictures in terms of detail ...
1
vote
1answer
111 views

what are the different Sony automated shooting modes?

My Sony Alpha QX1, via the interface running on the separate smart phone, has shooting modes "P" and two others with icons only in different colors, and zero explanation other than that they are ...
6
votes
1answer
10k views

How do I use the manual exposure setting in the new Google Camera app?

In April 2014, Google revamped its Android camera app. In the settings menu under "Advanced", there is just one option: Manual exposure. It defaults to off, but after turning in it on, I can't find ...
3
votes
2answers
120 views

Is there a trick to the right exposure for sky photos?

I am a new photographer and have had some lessons in photography. I understand how to shoot in manual, but the hardest part for me is outdoor shoots against a bright sky. I have been taught to meter ...
0
votes
1answer
144 views

Why would exposure settings be very different for the same scene between full-frame and APS-C (using a 10-stop ND filter)?

I own a Nikon D600 and my girlfriend owns a Nikon D7000. Recently we were out doing landscape in broad daylight with our big stoppers. We have the same 10 stop filter and we came across to something ...
2
votes
3answers
993 views

Why does EV increase as ISO increases?

From what I understand, the lower the EV value, the more exposed (bright) the image is. EV decreases as aperture decreases. More light gets in with lower apertures. EV decreases as shutter speed ...
0
votes
2answers
176 views

Underexposed image with Canon 5D III and flash

Just started using my Mark III with flash (Neewer TT560 Speedlite). And I'm getting strange results. At first I thought it was a battery issue and another set of batteries seemed to have fixed the ...
22
votes
5answers
3k views

What is exposure compensation?

What does exposure compensation do? If I take a photo with a given shutter speed, aperature, and ISO, and then take the same shot with +1EV or -1EV, what is actually happening? Is this just a gain ...
1
vote
1answer
65 views

Canon PowerShot S100 overexposing in Av mode with built-in flash

I use a Canon PowerShot S100. My question is, why did I get this (for me) unexpected overexposure? I was photo-documenting a project and wanted a close up with a good depth of field so I set Av ...
2
votes
1answer
73 views

What caused excessively high grain in Delta ISO 400 film developed by a shop?

I have shot film before, never black and white though. I also haven't ever developed a film before, neither did I this time. I used Ilford Delta 400 and I shot it at rated ISO (at least I think I ...
0
votes
2answers
127 views

How do shutter speed, ISO and aperture work together to control exposure?

When shooting in natural or ambient artificial light (without flash, basically), how do light, shutter speed, ISO and aperture work together to control exposure?
0
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0answers
21 views

Shutter speed scale [duplicate]

I have been preparing a guide table for use with a 10-stop neutral density filter and ran into the following difficulty: the shutter speed scale doesn't seem to match the theoretical values. ...
0
votes
1answer
78 views

Graininess and lack of detail [duplicate]

Hello fellow lens loving junkies! I have been struggling to get very sharp, non-grainy images. I have a Canon Rebel Eos T3i. Even images at 100 ISO are not as sharp as I would like. Not sure if it is ...