Many of you have e-mailed DPS wanting to know more about high-speed sync in flash photography.

很多人给DPS发电子邮件想多了解一下高速同步闪光摄影。

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However, whether indoors or out, if your exposures require a higher shutter speed, high-speed sync will allow you to shoot at virtually any shutter speed, generally up to 1/8000 sec.

然而，在室外时，如果曝光要求更快的快门速度，只有高速快门同步允许你使用高速快门拍摄，最高可达1/8000s。

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Your camera and flash will only use it if you are shooting beyond the normal sync speed.

只有当你的快门速度超过普通同步速度时，相机和闪光灯才会开启高速同步。

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They give everywhere a grade from one to five by combining information on sync speed, whether super fast broadband is available, and how popular broadband take-up has been.

BBC: NI internet users making the broadband switch-over

In Fermanagh, which has the lowest sync speed in Northern Ireland, 60% of the homes and businesses have switched to broadband, which is exactly the same amount as in Belfast.

BBC: NI internet users making the broadband switch-over

Update : Downloaded, applied and rebooted. iTunes still isn't spotting our Pre as a device to sync with, and at least for the moment there's no great speed increases to speak of, but we have noticed a few more key tweaks that owners are sure to like -- setting a specific ringtone for text messages is exactly what we've been looking for.

ENGADGET: Palm Pre WebOS 1.3.1 update available now