PocketWizard FlexTT5-Canon Manuel du propriétaire télécharger pdf (Page 7)

Optimized HSS Crossover Auto Detect:

We changed the optimized HSS crossover point to automatically detect based on camera type. This allows

the 5D and the 5D Mark II to sync at all shutter speeds with Canon Speedlites right out of the box without

needing to use the PocketWizard Utility.

“High Speed Sync (FP Flash Sync) Begins At” will automatically be set to 1/320 for the 5D and 5D Mark II,

and 1/400 for all other camera models. This feature is automatically engaged by default, or can be set by

selecting “Auto” for “High Speed Sync (FP Flash Sync) Begins At” in the PocketWizard Utility. Selecting a

different HSS crossover point overrides the auto setting.

Rear Curtain Sync:

We’ve added Rear Curtain Sync capabilities with the ability for you to set the shutter speed at which rear

curtain sync is engaged. The default setting is set at 1/100 second so any time you are at that shutter

speed or slower, rear curtain sync will be engaged. You can adjust this setting (or turn it off) in the

PocketWizard Utility under the “Sync Timing” tab.

We found in testing that the Canon system rear curtain sync timing is actually not at the precise end of the

shutter opening, but actually slightly before (Fig 1). We have been able to improve on this timing to put the

ash at the very end of the exposure (Fig 2).

You do not need to set anything on your ashes including Canon’s own Second-Curtain Sync button.

Toggling the setting on the ash will not change the setting in the radio.

Fig 2: Rear Curtain Sync using PocketWizard’s technology.

Camera: 7D; Shutter Speed: 1/10th; Aperture: f/5.6;

Lens: EF 50mm f/2.5 Macro

Fig 1: Rear Curtain Sync using Canon’s technology.

Note: streak below golf ball. Camera: 7D; Shutter Speed: 1/10th;

Aperture: f/5.6; Lens: EF 50mm f/2.5 Macro

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PocketWizard FlexTT5-Canon Manuel du propriétaire Page 7