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TTL-Flash exposure control in aperture priority modes A , A

Any aperture values can be set; the camera sets flash synchronization at 1/100 s automatically, when the flash unit is ready. Flash is activated as primary light source.

Should the preset aperture in combination with the automatically set 1/100 s shutter speed lead to overexposure on account of sufficient ambient light, the shutter speed display "100" flashes. In this case, choose a smaller aperture if the flash's working range permits this.

TTL-fill in flash (to lighten up parts of the subject) in shutter priority T

Any shutter speed between 4s and 1/90 s can be used. If faster speeds are set, the camera automatically switches to 1/100 s flash synchronization. The aperture is set automatically so as to produce correct exposure in relation to ambient light, even if no flash were used.

Here, flash control occurs through the lens, but the camera deliberately moderates flash intensity. This means that parts of the subject that are in the shade are lightened without affecting ambient light.

In this case, when flash intensity is dosaged to lighten up parts of subject, the symbol V appears in the viewfinder.

Should the shortest possible flash synchronization time (fastest shutter speed) of 1/100 s lead to overexposure on account of strong ambient light, the "100" symbol in the viewfinder flashes. Exposure despite this warning could lead to overexposure.

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