Linked Questions

3
votes
2answers
1k views

why is 1/60 to 1/125 is full stop or halving the abount of light? [duplicate]

the halving of 1/60 is 1/120 then why is that standard 1/125 for a full stop? is 1/125 really cutting the amount in half? Thanks
2
votes
2answers
157 views

Is there particular significance to the shutter speeds ¹⁄₁₂₅th and ¹⁄₃₀th? [duplicate]

I am sure this is a common question, but to find it easily, what is significant about 1/125 and 1/30? My teacher asked us and I have no idea. I can not find it anywhere. Why are these shutter speeds ...
0
votes
2answers
203 views

What scale of shutter speeds actually lies behind the numbers? [duplicate]

On nearly every camera I've used, the scale of shutter speeds goes something like: 1s, 1/2s, 1/4s, 1/8s, 1/15s, 1/30s, 1/60s, 1/120s, 1/250s, 1/500s, 1/1000s, 1/2000s whereas clearly a scale of ...
0
votes
2answers
103 views

Generate a sequence of exposure time options mathematically [duplicate]

Is there a way to generate a sequence of usual/standard exposure time options mathematically? Something like 1/5000, 1/2500, 1/1500, 1/1000...1/500, 1/250/ 1/125...1/60...1/30...1/8, 1/4, 1/2, 1, 2, 3,...
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 ...
25
votes
6answers
7k 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 ...
18
votes
5answers
4k views

Do f-stop and exposure time perfectly cancel?

I am photographing a scene with white and black elements in it. Starting at the f/22 stop, I widen the aperture one stop and decrease the exposure time by a factor of 2, take a picture, and keep doing ...
25
votes
7answers
5k views

Why are these film photos brighter than digital photos taken at the same time with the same settings?

I took two photos - first one with Canon 5D Mark III and the second one with analog Canon EOS 500N. I used the same lens and settings (ISO/shutter/aperture) for both of them. The company that ...
13
votes
7answers
9k views

Will metering from a DSLR apply to a film SLR?

I still like to shoot with film (I use a Nikon F3) but I like the immediate feedback of digital. I'm thinking of buying a used DSLR to help me get the framing and lighting right when I shoot static ...
21
votes
4answers
6k views

Do the same camera settings lead to the same exposure across different sensor sizes?

Let's say I have a micro-4/3rd camera and a full frame camera, both set to 1/60 at f/2.8, taking a picture of the same scene in the same lighting. Will the exposure be the same across both cameras ...
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
3answers
3k views

Why are 1/3 stop apertures uneven numbers apart?

Why do 1/3 stop apertures go like 8, 9, 10, 11, 13, 14, 16, 18? There's a difference of 2 between 11 and 13, it goes back to 1 between 13 and 14, and it goes back up to 2.
10
votes
4answers
596 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 ...
6
votes
4answers
2k views

Shutter speed calibration

Is there a way to determine a camera's actual shutter speed? If the shutter speed is a bit off is it possible to calibrate your camera's shutter on your own? I own a nikon fm2 film camera.
4
votes
5answers
1k views

Does a long exposure in DSLR camera have a similar effect to a global shutter?

Regular DSLRs make use of mechanical shutters and progressive electrical readouts, and hence images are captured in a rolling shutter. But, when used to capture pictures with a long exposure, where ...

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