Linked Questions
31 questions linked to/from What is one "stop"?
2
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3
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How does time of exposure relate to aperture? [duplicate]
I was trying to derive the relation between the aperture and time of exposure.
I'm taking two apertures f/2 and f/4.
From the formula
A α 1/√t
I got,
...
- 255
9
votes
2
answers
8k
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What does "N stops" mean when describing an image stabilizer?
If you ever purchased any lens with IS then you have heard this term like "3 Stop Stabilization" or "4 Stop Stabilization". Now, I am familiar with this Stop for ISO and Aperture. But this I don't ...
- 1,598
8
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2
answers
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What are the practical differences between the exposure settings my camera picked for me in auto mode and my own choices?
I were using Fujifilm x-t20 and I took two photos: one with 'Auto' switch on and the other with 'Auto' switch off.
I compare the two and I cannot find noticeable difference.
and the settings
Here ...
- 772
7
votes
2
answers
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How much additional light does an f2.8 really let in?
I currently have the Nikon 18-55mm kit lens that came with my D3100, but I am looking for something that will let more light in among the entire focal range. I have been eyeing the Tamron 17-50mm f2.8 ...
- 173
4
votes
2
answers
6k
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How do I calculate the number of stops between two shutter speeds?
What is the math equation to calculate the difference between two different shutter speeds in stops?
- 203
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2
answers
955
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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?
- 11
0
votes
2
answers
676
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What is the formula to calculate aperture ("diaphragme" in French)?
Let's say I have these data for my camera:
t : Exposure time in seconds ("temps de pose" in French)
C : Incident-light meter calibration constant ("constante lumière incidente" in French)
S : ISO ...
- 109
0
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2
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213
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How much light do I need for my RX10-II at 1000 fps?
I know the video mode is taking a frame "approximately" 1/1000s long, the aperture opens up to f/2.8, and the Auto ISO will select within the camera's range, 64-12800, so how much light (in the studio)...
- 129
0
votes
2
answers
1k
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Canon rebel t3i manual mode [duplicate]
How do I make the photo brighter in manual mode?
When I prepare to take a photo in manual mode it is very hard to see the subject after I take the photo it is all black. Indoor and outdoor
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2
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How is f-stop a measure of dynamic range?
As far as I have read f-stop is a measure of the aperture. This affects the amount of area in the foreground and background which is in focus.
While having a look at the dynamic ranges of cameras I ...
- 103
11
votes
1
answer
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What to do when you've set a too high ISO for your film?
I just realized that I shot a roll of Portra 160, while my camera was set on iso 400.
Is there something I should ask for at the developing lab to make up for it?
I hope that some of you might be ...
- 111
7
votes
1
answer
5k
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What are STF lenses?
What are STF (smooth transition focus) lenses? How much do they differ from other fast lenses? What artistic techniques are done with them?
For example Sony has an a-mount 135mm F2.8 [T4.5] STF. What ...
- 518
1
vote
1
answer
1k
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Relationship between shutter speed and amount of light?
With all else remaining the same (ISO, aperture etc.) is there a way to compensate for changes in the lighting of the scene by changing the shutter speed of the camera such that the intensity of the ...
- 219
1
vote
1
answer
123
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How to shoot the sequence of adjusted exposures wanted for a ColorChecker?
I'm trying to shoot a sequence of photos needed for calibration. As instructed, I'm in manual mode, with fixed ISO 100 (camera dafault), and other values read from the lightmeter ... and now:
Can you ...
- 11
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1
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Will the Sony FDR-AX100 really be better in low light than the Sony FDR-AX33, even though the latter has a faster lens?
I see that Sony FDR-AX100's lens has opens at f/2.8 while Sony FDR-AX33's lens opens at f/1.8
I am often doing photos (Canon 6D) or videos in places where a f/1.8 lens would be a great advantage over ...
- 253
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