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Old Aug 12, 2003, 4:07 PM   #1
Shu
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Default Neutral Density filters

:?: I just purchased three filters -- Polorizing, neutral density
nd2 and nd4 (only because "buy 3 get 1 free"). How often will
I use the 2 neutral densitys? I'll return them if they are not
important for some shots. Buy 3 get 1 free is no deal if I won't
be needing them. Your opinions, please. Thank you.
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Old Aug 12, 2003, 4:35 PM   #2
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The ND filters are good for taking close up shots because they reduce the amount of light entering the lens to minimize over-exposure. I have a Canon G3 that has a built-in ND filter and it has proven itself handy many times.
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Old Aug 12, 2003, 10:34 PM   #3
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NDs are good for fireworks, waterfalls (if you like "silky"--I don't), slowing the shutter speed when you want to show motion blur, very bright daylight in places like Arizona, photos of bright lights in certain situations, etc. Very handy at times, but only you can tell if you'll take the kind of photos that require one. A polarizer can be used as a substitute for a weak ND. Two polarizers make an infinitely adjustable ND if the front one is linear.
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Old Aug 13, 2003, 6:13 AM   #4
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....Two polarizers make an infinitely adjustable ND if the front one is linear.....

Hoya make one, It's not sold in UK so I'm trying to buy from Germany at the moment. I've read that variable polarisers don't perform as good as ND's - but I want to shoot some arc welding and lightning, so one ajustable polariser seems less to carry about.
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Old Aug 13, 2003, 12:09 PM   #5
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Quote:
Two polarizers make an infinitely adjustable ND if the front one is linear.
Never realised that - must get one then.
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