I have a question regarding Day time long exposure: I have a canon 70d 50mm 1.8 lens and 18-135mm; when I try to shoot a long exposure during the day iso 100, f16 mode BULB.......the picture is white all the time, I do not know what i am doing wrong.....

thanks all for your advises in advance

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    The question linked above isn't exactly the same, however the answers still answer your question. – damned truths Mar 23 '15 at 7:23

There is simply too mich light.

You can use ND filters to reduce the amount of light that reaches the sensor.

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