Quote:
Originally Posted by MartinTurnbull
Thanks, BillinGlendaleCA. I've never heard of a "a neutral density filter" but I figured the chances were low that there would be NO cars and NO people on the streets of LA, even really early on a Sunday morning, so what you say makes sense.
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A neutral density filter is just a dark filter you put over the lens to allow for a longer exposure. They come in various levels of darkness.