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Flash is a device which provides additional light to a scene. It can be used to help fill in a dark area of a photo, to provide light if there isn't sufficient light to begin with, or it can help to improve the composition of a particular photo, by creating your own source of light.
17
votes
What does the "P" and "C" in "PC sync terminal" stand for?
It stands for "Prontor-Compur connection":
"Prontor" has its origins in the Italian word "pronto", meaning ready (and was a leaf shutter made by Alfred Gauthier). "Compur" is derived from the word …
3
votes
Accepted
What kind of connector does this 5750dx promaster flash have and how can I connect it to my ...
It's basically a trade-off: if you're using manual off camera flash most of the time, you rarely trigger the flash via its hot shoe. … After some more research, I found this review of the flash with this image:
The flash consists of two components: the flash proper, and a dedicated module at the bottom, offered for various camera brands …
2
votes
Can I use rear curtain sync in bulb mode?
If you want to have rear curtain sync, just push the (flash) button at the end of the exposure (just before releasing the shutter button)
That being said, you can fire the flash at any time during the … (or dance moves that are slow enough to allow the flash to recycle)
In fact, using a stroboscopic flash for this kind of shot is also possible (and people do this). …
4
votes
What are the advantages of a remote radio trigger over "slave mode"?
What you are referring to is the communication built into the flash unit itself. Most flashes can be set to be slave.
The flash unit has a little light sensor to detect if another flash fires. … If you pair a flash unit and camera of one manufacturer, chances are the camera can act as a master for the remote slave units either via its pop-up flash or another flash unit on-camera. …
3
votes
Accepted
Is a TTL wireless flash trigger something meaningless?
so if TTL flash is sitting on your camera they yes TTL has a meaning because the flash is in the same distance from the subject as the focal point of your lens
No, not necessarily. … TTL takes all that into consideration, because it measures the flash exposure through the lens, as Detlev describes it. …
1
vote
Portable Diffuser for shooting on the go
Basically speaking it's a piece of wall paper/plastic that you can attach to your camera and that your flash bounces off from. … It's basically the answer to the situation when you think "damn it, if only there was something in this position that my flash could bounce off from..." …
2
votes
Is it reasonable to use a ring flash that encircles the lens for non-macro (general) shots?
For normal photos you want the flash far from the lens, like on a boom on a separate handle framing the camera.
Where do you place that boom on a runway? … Attach the flash with some duct tape to that broom stick your assistant found somewhere.
...for macro shots only.
No. You can use wide angle for portraits, long lenses for landscapes. …
2
votes
Accepted
Why is Master flash still firing?
You are using TTL, which means all flashes have to communicate with the camera and there has to be a preflash to determine the flash output. … actual exposure: communicate to each flash at what power level they should fire (depending on possible group ratios, etc...) …
7
votes
Accepted
Reproduce picture on black background with soft light on face only
Basically speaking, a softbox is a big box where the strobe (or flash) is put inside. Only one side of the box is translucent to let the light out. …
6
votes
Can I maintain the same flash pulse duration but increase light with multiple flash units?
This way the time the flash is on is reduced, which results in shorter flash duration for lower power flashes. … Adding another flash will keep the flash duration the same but double the overall output.
You might as well increase ISO. …
9
votes
Accepted
Is TTL flash really useful when using off-camera flash?
The point of TTL is to adjust flash power automatically under the assumption that it has an influence on the scene.
If the flash is on camera or not is not too relevant. … This gives more flexibility in positioning the flash. …
22
votes
Why doesn't a shutter speed of ¹⁄₂₅₀th freeze motion when a flash of that duration does?
The flash exposes the entire scene. … The sync speed is a property of the camera, not the flash
Flash duration on the other hand is the time the flash is on. A flash is not just on or off. The power (light) output of a flash is a curve. …
3
votes
Will the built-in flash of a Polariod camera be adequate for a wedding photobooth?
Taking polaroids at wedding receptions is nice.
There are some things that you should be aware of:
There's no polaroid film available any more. You can get modern film
from the impossible project, …
2
votes
In a multiple strobe setup, how powerful must each strobe be?
I see that a complete set should include a key, a fill, a hair and a background light.
What a complete set includes is very subjective and depends a lot on the desired look. Given that this is yo …