ttl flash control
Jul 4, 2018 12:56:47 #
Jul 4, 2018 13:00:59 #
Jul 4, 2018 13:52:01 #
The camera "sees through the lens" and controls the flash to make the right amount of light.
Jul 5, 2018 06:32:41 #
The camera will instruct the flash to emit a few pre-flashes. The camera's light meter will evaluate the intensity of the reflected light and calculate a final flash output level. Those pre-flashes happen so quickly that they're practically part of the main flash burst.
Jul 5, 2018 09:46:57 #
gvarner
Loc: Central Oregon Coast
When using TTL indoors, put your camera in Manual mode, ISO 400, F4.5, and shutter at 1/200. The high shutter speed reduces the effect of ambient light and the TTL flash controls exposure on the subject. You can increase the ISO for a bit more flash reach and change the F stop for DoF control and the flash will adjust accordingly. If you can select High Speed Shutter in your camera, you can select a very high shutter speed outdoors to darken bright backgrounds but this reduces your flash's reach.
Jul 5, 2018 09:47:29 #
gvarner
Loc: Central Oregon Coast
When using TTL indoors, put your camera in Manual mode, ISO 400, F4.5, and shutter at 1/200. The high shutter speed reduces the effect of ambient light and the TTL flash controls exposure on the subject. You can increase the ISO for a bit more flash reach and change the F stop for DoF control and the flash will adjust accordingly. If you can select High Speed Shutter in your camera, you can select a very high shutter speed outdoors to darken bright backgrounds but this reduces your flash's reach.
If you want to reply, then register here. Registration is free and your account is created instantly, so you can post right away.