- You would use external flash when there isn’t much lighting in the picture.
- No, you don’t need to meter the light because you have your own light.
- Flash synchronization means the opening of the shutter speed admitting light to photographic film or image.
- ETTL stands for evaluate through the lens and means that it is a type of auto flash exposure used by a canon.
- You will get black bands which means when your shutter curtain is blocking part of your image.
- They bounce the light and use a diffuser to soften the lighting.
- A slave in photography is a flash unit that fires when it detects the light from another flash unit.
- You can make your images lighter or darker with the aperture.
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