Linked Questions

156 votes
10 answers
62k views

What is the "exposure triangle"?

What is the exposure triangle? How do the "sides" affect my photographs?
Evan Krall's user avatar
  • 12.4k
29 votes
7 answers
3k views

What exactly is flash sync speed, and should it be a factor in a buying decision?

What exactly is flash sync speed and should it be a factor in a buying decision?
jfoucher's user avatar
  • 1,087
21 votes
5 answers
12k views

What is a rolling shutter? When do I have to be aware of it?

In answer to another question, Adam Davis writes: Your camera complicates this by using a rolling shutter above a given speed (usually around 1/200. This means that only a portion of the ...
fmark's user avatar
  • 2,641
18 votes
4 answers
30k views

How do I predict exposure when using flash?

So I've got the basics down for the exposure triangle, but sometimes you just need to add more light to the room and the flash can be the most convenient way of doing that. The problem is that the ...
Tom's user avatar
  • 3,149
9 votes
3 answers
8k views

Why is 1/250th second used as shutter speed when using a speedlight with my Nikon D7000?

I've got a Nikon D7000, if I increase the shutter speed it eventually goes to the bulb option and after that to 250, I've been ...
Ben Everard's user avatar
9 votes
4 answers
11k views

How do I manually calculate fill flash?

My main flash is a Nikon SB-24, used on a Nikon D200. Hence, iTTL doesn't work. I've had no issues using A-mode (the thyristor in the flash determines flash output) or M-mode (manual on the flash) ...
gerikson's user avatar
  • 4,270
8 votes
5 answers
21k views

What's the technical difference between artificial and natural light?

Comments like this one got me wondering... Assuming two light sources of equal size and relative intensity (let's say as an example monolights and the sun) and assuming that you're shooting raw to ...
rfusca's user avatar
  • 26.5k
8 votes
4 answers
2k views

Why do my Cybersyncs fire my Sunpak flashes with the test button, but not the shutter release?

During wedding receptions, my Sunpak 383s fire very inconsistently. Every time I press the test button with the Cybersyncs, they fire every time. When I press the shutter button, they don't fire. ...
Jessica Pledger's user avatar
7 votes
2 answers
3k views

Pentax P-TTL: Why and when does underexposure occur and what can I do?

Pentax's P-TTL flash metering system tends to be unreliable and may underexpose at times. When and why does the system underexpose and what can I do? I want to know the situations that cause flash ...
bwDraco's user avatar
  • 5,936
6 votes
5 answers
6k views

How can I get a clear subject with motion-blurred (traffic trails) background?

I wanted to take a photo of my brother with traffic trails behind him. Now even when I was using a tripod, and A/F was correct, I still couldn't get the subject to be sharp, despite using a self timer ...
Ishan Mahendru's user avatar
5 votes
2 answers
1k views

What is term for the opposite of "Dragging the Shutter"?

My first helpful experiments with flash started after taking a seminar with Scott Kelby on the subject. I don't recall him mentioning dragging the shutter (but he may have). But, I do recall him ...
Jim's user avatar
  • 1,207
4 votes
3 answers
6k views

Understanding IR / RF flash systems

I have had difficulty understanding how most flash systems work and was hoping someone could break it down. I'll use my current setup for a concrete example: Canon EOS 60D Nissin Di866 Mark II Flash ...
Ryan Griffith's user avatar
4 votes
4 answers
2k views

Why does my Canon 60D sometimes lengthen exposure when using the flash?

In low light conditions, my first shot will often be handheld with no flash. If there's not enough light however, the shutter speed can be too slow and I'm not steady enough for a crisp image - so I'...
Damovisa's user avatar
  • 529
3 votes
4 answers
3k views

How do I best use a pop-up flash for indoor birthday parties?

I just took photos of a two year old birthday party indoors at a Chucky Cheese. Just bought the Puffer for my flash, as the photography studio said it would be good for the birthday party. I tried ...
user17962's user avatar
3 votes
3 answers
403 views

How is shots per second of a camera is measured?

I was just curious to know what are settings used in testing the camera's shots per second?Especially the shutter speed. Whether its set to the camera's maximum capability or any standard shutter ...
vivek_jonam's user avatar
  • 3,506

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