When would you use external flash. When use external flash is when you don’t have any natural light. Do you need to meter the light if you use flash? Light meters are only necessary for film photographers using studio flash. What does flash synchronization mean. is the synchronizing the firing of a photographic flash with the opening of the shutter admitting light. What does ETTL mean? -TTL mode, also known as E-TTL autoflash, is the mode where the camera uses information obtained through the lens (“TTL”) to calculate how much light the flash needs to emit for the appropriate brightness. -What will happen when you shoot faster than the camera sync speed? If you try on a camera more than about 20 years old you’ll get a partial blackout of the image, and modern cameras override you electronically when the flash is on. Why do photographers bounce the flash and use a diffuser? It’s used to soften or spread the harsh, concentrated light that bursts out of the flash, creating a more even and flattering light on the subject. What is a slave? When the flash emits a secondary flash inside the diffuser. What should you do if your image comes out too dark or too light? While you can’t eliminate the problem entirely, there are a couple of choices you can make to minimize the problem.
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