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I have a sony alpha a230 camer and just bought a bower 500mm lens but when its atteched the shutter stays lock and wont take a picture. The camera doesnt recognize the lens

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The lens doesn't have the electronics to communicate with the camera, hence the camera doesn't recognize it. You need to switch the camera to manual exposure mode. You won't get any help from the camera's exposure meter, so use the LCD monitor and the histogram display. You also won't get any autofocusing.

Posted on Nov 04, 2010

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Posted on Jan 02, 2017

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The lens lacks the electronic circuitry to interface with the camera. You'll need to use the camera in M(anual) exposure mode.

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