Linked Questions

28
votes
10answers
82k views

What is an easy way to remember the full stop scale?

If you were teaching someone new to photography the full stop scales, is there a better way then flat out memorizing these values? Does anyone have an easy way that they remember the scale? Would it ...
11
votes
8answers
9k views

What is the fastest lens available for a DSLR?

I've seen references to f1.2 lenses. I was wondering, are there any faster lenses available for a DSLR mount?
34
votes
6answers
45k views

What is one “stop”?

I always hear this term, e.g., I had to go down one stop Increasing X by Y raises Z by one stop I turned down the flash/the light two stops This lens/sensor/strobe/Photoshop tweak raises X by around ...
7
votes
5answers
18k views

What's the difference between exposure and shutter speed?

Is there a difference between exposure and shutter speed, or are the terms interchangeable? I read that "If you use a quick shutter speed, you can just raise the exposure to compensate." Is this ...
5
votes
5answers
2k views

When I change the EV compensation, how will that affect my aperture, shutter speed, or ISO?

Let say that we have the following values, as an example: Shutter speed: 1/40 Aperture: 2 ISO: 1000 How can I get the EV number for this exposure, extract (or add) an EV value (0.33, 0.66 etc.) and ...
57
votes
4answers
8k views

What is Ansel Adams' “Zone System”?

I've heard much of Ansel Adams' Zone system, but I've never quite understood it. What is it, how and where is it used, and is it still useful with modern (digital) cameras? Thanks!
11
votes
4answers
7k views

What is the relationship between ISO, aperture, and shutter speed?

I know digital cameras have ISO options, and that ISO is the camera's sensitivity to light, but if you set higher ISO then you can get a noisy image. I also know there are two other camera options, ...
10
votes
4answers
600 views

Are the aperture, ISO and shutter speed stops perfectly interchangeable?

Imagine you have an scene with shutter speed 1/60, f/8 and ISO 200. Then you change the configuration to get an equivalent exposure: speed 1/120, f/5.6, ISO 200 (plus one stop in speed, minus one stop ...

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