Metz mecablitz 52 AF-1 Canon digital Manual De Instrucciones página 185

The synchronisation of the second curtain (REAR) cannot be set on
the flash unit
The setting for manual TTL flash exposure correction has no effect
Automatic switching to the flash sync speed fails to occur
The shots are too dark
The shots are too bright
The aperture (f-stop) cannot be adjusted on the flash unit
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