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The Canon EOS 7D was Canon's first high end professional camera with an APS-C crop sensor.

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pictures are either black or blurry on fast action shots

When we take fast auction shots the pictures are either blurry or are black. The pictures are ok on automatic. Have tried it both on manual focus and on auto and the results are the same. Have tried switching lenses and it still does the same thing........we need help!!

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You know how the exposure triangle works, right? It sounds like the ISO is manually set too low at like ISO 100. Does it work in direct sunlight?

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Auto only covers the shutter time and f stop. If you want less blur with motion, you can either add more light (reduce the f stop) or increase the sensor's sensitivity to light (increase the ISO). For fast action like sports, try ISO 800.

The problem with high ISO is grainy photos, so don't go to high to fast so you can find what looks good to your eye.

If you get grainy photos at low ISO (under 300) or you are still getting blur with a high ISO (over 1600) then you need to reduce the f stop. This can be done with Aperature Priority mode. The lenses you use will determine how low the f stop can go.

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Peggy さん、ありがとうございました!
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