Flash sync

Flash sync socket
A socket on the camera used to plug-in an electronic flash gun cable so that the flash can be triggered at a distance from the camera.
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Flash Sync (Synchronization)
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Flash sync
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The exposure from ambient light increases as exposure time (flash sync speed) gets longer, but the contribution from the flash stays the same.

Flash sync speed
Techniques Glossary Flash sync speed
The maximum shutter speed that can be set when using electronic flash.

Flash Sync and Shutter Speeds
Click to explore the flash sync speed.
Leaf shutters, common on point and shoot cameras, allow faster flash sync speeds because they don't use curtains.

flash sync. mode the flash fires as soon as the whole film frame is fully exposed to the incoming light (see picture below). This time period is obviously limited towards higher shutter speeds dependent on the speed of the shutter/curtain mechanism.

Flash Sync
The flash sync speed (usually 1/60, 1/125, occasionally 1/250) is indicated by an X, a lightning bolt, or by a different color. This is ths ONLY speed at which the camera is designed to use a flash or strobe.

Flash Synchronization
Flash Synchronization is the automatic process in which the camera's shutter speed is synchronized with the camera's flash, ...

Flash sync selection - Select between 1st-curtain and 2nd-curtain sync.

Flash sync.(synchronization)
Method of making a flash light fire at the correct moment, exactly when the shutter is fully open. Normally a camera's flash sync.

Flash sync speed
Exposure time with a focal-plane shutter is measured from the moment the first curtain is released until the moment the second curtain is released.

Flash Sync
Flash sync originally referred to the faster shutter speed at which your camera and flash could properly function. Getting everything timed just right used to be pretty tricky.

Flash sync speed
Most modern cameras have two shutter panels, a top and a bottom one. When you press the shutter button, the top one starts to raise, and then the bottom one starts to follow, till the both meet and light is shut out.

Flash Synchronization: The adjustment and timing of camera and flash so that the flash fires when the camera shutter is open. Most 35mm SLR cameras synchronize with electronic flash at shutter speeds of 1/60th or slower.

FLASH SYNCHRONIZATION - Timing the triggering of the flash so that it fires only when the shutter is completely open, thereby ensuring complete exposure of the entire film frame.

FLASH SYNC- A special socket on a camera that allows to attachment of an auxiliary strobe light for flash pictures. It is synchronized to the camera's shutter so the light goes off at the right time.

Flash synchronisation
Co-ordinates the opening of the camera's shutter with the time and duration of the flash. Some cameras allow you to synchronise the beginning or end of the shutter ('first curtain' and 'second curtain' flash respectively).

Flash sync trivia.
I haven't been able to find out why shutter sync with electronic flash is referred to as "X" sync, though X standing for xenon and electric contacts are the most popular theories.

-Flash synchronization - method of synchronizing flash light duration with maximum shutter opening. There are usually two settings on a camera, X and M. X is the setting used for electronic flash.

Flash Sync
Flash sync is used to describe either the connection point where you plug an external electronic flash into your camera (usually a PC port or the camera's hot-shoe), ...

Flash Sync Speed — AdoramaTV
16 flash terms you should know
Single-light portraits
Small Studio Flash Tips—AdoramaTV
Speedlights vs. Studio Strobes—AdoramaTV ...

Flash Sync Speed Flash Sync Speed refers to the fastest speed at which the shutter can be set to ensure that the film receives enough light from the camera's flash. While the flash ...
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Flash synchronization
List of photographic equipment makers
Inverse-square law
Ring flash ...

re flash syncs >1/180sec: I believe some Nikons will offer electronic sync across the full shutter range, right up to 1/8000 or whatever, so long as you have a compatible speedlight (SB800, possibly inc SB600 too).

External Flash Synch: Allows connection to other flash units instead of (or in addition to) the digicam's built-in flash. Very useful for experimenting with off-camera lighting effects and for use with studio strobes.

Use Slow Flash Sync
Use a slow shutter speed when shooting with flash. Rather than letting the background go completely dark, a slower shutter speed captures the ambient light exposure while the flash freezes the subject's motion.

The fastest speed at which, at least for an instant, the whole sensor is exposed to light at once is called the "flash sync[hronization] speed". Like a leaf shutter, a focal-plane shutter can change speed and direction only so fast.

A commonerror (of mine at any rate) is that the camera speed can be accidently moved from the flash synchronisation setting (1/60th of a second in likonos cameras).

An optional kind of electronic flash synchronization technique, originally associated with focal plane shutters, which consists of a traveling set of curtains, ...

Bonus Tip Slow the sync: The most important lighting tool for indoor parties, slow flash syncing requires a shutter speed slow enough to record background detail lit by the room's ambient light.

It’s a technique that needs practice and is limited by the camera’s flash sync speed. For example, if your SLR syncs at 1/125sec that’s not fast enough to correctly expose a bright background.

Dedicated flash units automatically set the proper flash sync speed and lens aperture, and electronic sensors within the camera automatically control exposure by regulating the amount of light from the flash.

had a iris diaphragm shutter and flash sync to 1/500 sec.
Advice
know what you want and need in a camera.
buy the best you can afford.
learn what accessories are available.

To make faster shutter speeds and higher flash synchronization speeds possible, ...

Sync Speed The speed at which a flash synchronizes with the opening of the shutter. Normal X-sync flash operation requires the entire shutter to be open when the flash is fired.

Is it flash synchronized? If so, does it have the modern "pc" type cord connection. Does it have a flange or retaining ring?

Film Rewind Crank.
Film Speed Dial.
Flash Synch Socket.
Lens.
Depth of Field Preview.
Self Timer/Exposure Lock.
Aperture Ring.
Shutter Release. Some Olympus cameras have the shutter control on the lens.

PC - In camera terms it denotes a type of flash synch connector, popular on most film cameras.
PC - In computer terms it means a Personal Computer as in IBM-PC ...

Also known as a Nelson connector. A 2 pin wet connector, i.e. a connector which can be pulled out and plugged in underwater. Used for flash synchronization on the Sea & Sea Motormarine Mk1. Also used as a telephone connector on fullface diving masks.

You may need to tweak your aperture setting (or ISO, if shooting digital) if the required shutter speed is faster than your flash sync speed.

Maximum flash synchronization speed is determined by the moment the shutter curtains are completely open. This would typically be 1/125 or 1/60.

looking at the D2h including metering on AI and AI-S lenses, 11 focus points, exposure compensation in a +/- 5-stop range, external ambient light sensor for improved auto-white balance, 2.5 inch LCD (more pixels than D2h!), 1/8000 second flash synch, ...

of flash photography such as studio, modeling, or even close-ups. To take a flash reading, point the meter at the camera and fire the test button on your flash. The correct f-stop will be displayed on the meter depending on your camera's flash sync.

This last statement assumes that you are using a flash sync shutter speed of 1/60 or higher and have low ambient light levels.

Max shutter speed 1/8000 sec shutter speed, 1/250 sec flash sync
Built in GPS. Great feature, but I hope it can be turned off.
Built in image stabilization, 2.5 to 4 stops supposedly gained
Only a single slot for SD memory cards is supported.

See also: Flash, Camera, Light, Shutter, Photograph