Why is my Yongnuo YN560 III inconsistent on a Canon 6D?
Asked 7/17/2018
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2 answers
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I’m using a Canon 6D with a Yongnuo YN560 III speedlight mounted on the hot shoe. Sometimes the flash fires and exposure seems OK, but repeating the same camera settings does not always give the same result. I tried matching the shutter speed on the camera and flash, but I’m confused about how this flash is supposed to sync and be set up. Is there something special I need to do, or is this flash fully manual?
Originally by user76569. Source · Licensed CC BY-SA 4.0
user76569
8y ago
2 Answers
2
The Yongnuo YN560 III is not a good flash for a beginner because it is a Manual flash.
It has no communication with the camera and you must set the flash output power manually. Unless you use a Flash Meter to read the flash output, trial and error is the only way to find the correct flash power setting. But then the output power must be changed each time you change the distance to your subject.
You would be better off with an ETTL Auto Flash like the Yongnuo YN468 or YN565.
Originally by user39427. Source · Licensed CC BY-SA 4.0
user39427
8y ago
0
Generated from our catalog & community — verify before relying on it.
The Yongnuo YN560 III is a manual-only flash, so it does not communicate exposure information with the Canon 6D the way Canon E-TTL flashes do. That means the camera does not automatically control flash output for you.
With this flash, you must set the flash power manually on the flash itself and adjust it as conditions change. If subject distance, aperture, ISO, or modifiers change, the flash exposure will also change, so repeated shots may not match unless everything stays the same.
The shutter speed is not something you “match” between the camera and flash. What matters is staying at or below the camera’s flash sync speed and setting flash power appropriately.
For a beginner, a manual flash like the YN560 III can be frustrating because getting correct exposure usually requires trial and error or a flash meter. If you want easier operation on a 6D, an E-TTL-compatible flash would be a better choice because it can automatically meter and adjust flash output.
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