25 votes

How does a film camera perform exposure compensation?

I understand that, on a digital camera, "exposure compensation" actually alters signal amplification, similar but not identical to changing the sensitivity. In general, this is not how the term is ...
  • 140k
20 votes

Could a "universal exposure" setting be practically possible?

A digital sensor isn't really best described as "reading data". A much better way to describe it is "collecting photons" that are then converted into data by measuring the microscopic electrical ...
  • 169k
13 votes

Could a "universal exposure" setting be practically possible?

We already have some of the technology for this. Our term for remembering the sensor readings at each exposure point is "video", and what you are asking for is reconstruction of an optimal still image ...
13 votes

How does a film camera perform exposure compensation?

It's not the case that "exposure compensation actually alters signal amplification". There are only 3 ways to control exposure: aperture, shutter speed and ISO. Exposure compensation is not a magical ...
  • 9,241
12 votes
Accepted

Dealing with exposure time during sports photography

Sports photography usually require two things: a long focal length and a wide aperture. The long lens is required to shoot action a long way away. The wide aperture is used for two purposes: ...
  • 4,806
12 votes

Dealing with exposure time during sports photography

Selecting an appropriate aperture When shooting sports in low light you're not going to be able to shoot at f/11. Most of us use f/2.8 lenses and shoot wide open. We do this not only because it helps ...
  • 169k
12 votes

Using Auto ISO when shooting

I was told it’s not good to use auto ISO If unqualified, whoever told you that is a fool. Auto ISO is a tool, and as with any other tool it can be used well and it can be used badly. Instead try to ...
  • 19.9k
11 votes
Accepted

Using Auto ISO when shooting

It’s getting me the shot even though there is some noise This is the point. If your priority is getting the shot, why not. But if your priority is getting a printable photo (which is what many people ...
  • 17.2k
10 votes

Could a "universal exposure" setting be practically possible?

The original question is based on incorrect assumption (about digital sensor not changing state during the exposure) but the concept is related to the Quanta Image Sensor (QIS) idea researched by Eric ...
  • 4,845
9 votes

How does software exposure compensation work in RAW files?

You are not actually adding light, you are simply enhancing what little light you gathered. With a JPEG, "stretching" or "pushing" and "attenuating" are all done in the camera, and those enhancements ...
  • 69.2k
8 votes

What to look for in a compact camera to take picture of black dog?

It would help if you said which camera model you're currently using, since different compact cameras (even from the same era, manufacturer and price range) can have wildly different feature sets. ...
8 votes

Is spot metering just an EV compensation?

Is spot metering just an EV compensation? Metering, regardless of type, and exposure compensation are different functions with different purposes. Metering is used to obtain exposure exposure ...
  • 26.4k
7 votes

How does software exposure compensation work in RAW files?

There is nothing special or magical in RAW files. When it comes to exposure and balance, RAW files just store more information about colors, than JPEG files do. Either way, these colors consist of ...
  • 4,845
7 votes

Are my RAW photos underexposed?

Always trust the histogram. Unless you diligently adjust the rear LCD brightness every time the ambient lighting changes significantly, you cannot really rely on that. It does sound like you have the ...
  • 1,626
6 votes

Dealing with exposure time during sports photography

The most obvious thing is that you chose to use f/11 for your photos. At least according to the EXIF data on this image, your lens had a maximum aperture value of f/5.1 at this focal length. By using ...
  • 19.9k
6 votes

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

That image is bright because it is boosted electronically. You don't really want to have that image, as it's extremely noisy. It only looks (somewhat) ok on the camera's LCD because you can't really ...
  • 6,800
6 votes
Accepted

Light meter battery ran low and I overexposed my ASA 400 HP5+. How much should I push my film?

If you've overexposed, you want to pull rather than push your film. Film pushing involves developing to higher than normal contrast, which causes a given exposure to produce more density. Since this ...
  • 6,319
5 votes

Why does this happen: objects which are surrounded by brighter objects appear darker?

If you'll look at the exposure data of both images you will see, that they are not equivalent. That means that the shadow spot was exposured differently and thus has different intensity. That's how ...
  • 1,749
5 votes

Should I use Active D-Lighting when shooting Raw?

I have a Nikon D3s, only take raw files from the camera, and keep active D-lighting on most of the time. The purpose of ADL is to avoid blowing highlights that are too small or off-target to be ...
4 votes

What to look for in a compact camera to take picture of black dog?

This isn't so much about camera features as it is knowing how a camera's autoexposure system works. A P&S will screw up in the same way your dSLR did on these shots if you just set everything to ...
  • 49.4k
4 votes
Accepted

Why is my HDR image oversaturated and look negative inverse in highlight areas?

Software have trouble when there is motion in the scene to merge into an HDR image or even perform Exposure Fusion. There are two ways to deal with this: Increase your odds by shooting multiple ...
  • 101k
4 votes

How does software exposure compensation work in RAW files?

Most definitely not a stupid question: I actually wondered the same thing when I first got into shooting raw. Before you can really understand what's happening when you adjust exposure in software, ...
4 votes

Dark Image at longer focal (aviation photography)

Use manual exposure mode. The aircraft is a very small part of the total frame that is mostly filled with a much brighter sky. Your camera's automatic exposure modes don't know that you want to expose ...
  • 169k
4 votes

Is spot metering just an EV compensation?

Yes, you could match the spot metering result by some degree of EV compensation, if you knew how much compensation. We typically may not know, so we instead meter it to be able to manage that. Spot ...
  • 12.5k
4 votes

Using Auto ISO when shooting

What are some best practices? This is all opinion... or, at best, situational. My personal feeling is that it is best to learn exposure in full manual mode and learn/understand the exposure triangle. ...
4 votes

Using Auto ISO when shooting

In my opinion, there is only one best practice. Know your stuff, know your gear. In this case, define what is the maximum iso you are willing to use, the maximum noise you are willing to accept in ...
  • 21.3k
3 votes

Does the Exposure Slider in Adobe Camera Raw Have Same Effect as in camera Exposure Compensation?

When you increase exposure In-camera EC works by getting more light into the sensor (getting you more real information and hiding noise). Post processing exposure slider works by taking the data in ...
  • 20.5k
3 votes

Does exposure compensation affect shutter speed in aperture value mode?

Yes, this is generally the case. If you fix a value like aperture (which is what you are doing when you set the camera to Av mode), one of the other exposure factors must change — and the only other ...
  • 140k

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