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clw

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Jun 21, 2009, 6:55:28 PM6/21/09
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I just bought a circular polarizing filter for my Nikon DSLR. It does
not give me the effect I want taking mountain and beach pictures. I
have found something called a neutral density filter that might give me
the effect (darkening sky but leaving foreground light).

I saw a device called a Lee Digital Camera starter kit that seems useful.

I know little about filters.

Anyone have some help?

TIA

YDOD

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Jun 21, 2009, 7:20:33 PM6/21/09
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You might be interested in HDR software, alternatively some photo editing
programs (my editing software is ACDSee pro) have a blend mode which is
probably less effective than true HDR software but may be suitable for some
situations.


"clw" <c...@ohsu.gov> wrote in message
news:clw-9499C9.1...@sn-ip.vsrv-sjc.supernews.net...

Troy Piggins

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Jun 21, 2009, 8:09:41 PM6/21/09
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* clw wrote :

Think you're after _graduated_ neutral density (GND) filters, as
opposed to just neutral density filters (ND). GND filters block
more light for part of them, typically placed at the top for sky,
then graduate down to block little or no light. Useful for
sunset/landscapes etc.

There's 2 main types. Hard and soft. Hard is a fairly sudden
change in the filter, good for seascapes. Soft is more gradual
change, maybe for city skyline when the change from sky to fg is
less of a distinct line.

ND filters block the same light across the whole filter. Useful
to slow the shutter speed down if you're after the appearance of
motion.

Be careful. Some supposedly neutral density filters aren't so
neutral and do give a colour cast in your shots. Commonly
magenta. Read heaps.

--
Troy Piggins

Troy Piggins

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Jun 21, 2009, 8:15:10 PM6/21/09
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* Troy Piggins wrote :
> * clw wrote :
> [---=| Quote block shrinked by t-prot: 7 lines snipped |=---]

>> seems useful.
>>
>> I know little about filters.
>>
>> Anyone have some help?
>
> Think you're after _graduated_ neutral density (GND) filters, as
> opposed to just neutral density filters (ND). GND filters block
> more light for part of them, typically placed at the top for sky,
> then graduate down to block little or no light. Useful for
> sunset/landscapes etc.
>
> There's 2 main types. Hard and soft. Hard is a fairly sudden
> change in the filter, good for seascapes. Soft is more gradual
> change, maybe for city skyline when the change from sky to fg is
> less of a distinct line.

http://en.wikipedia.org/wiki/Graduated_neutral_density_filter

> ND filters block the same light across the whole filter. Useful
> to slow the shutter speed down if you're after the appearance of
> motion.

http://en.wikipedia.org/wiki/Neutral_density_filter

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