Archived posting to the Leica Users Group, 2012/12/06

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Subject: [Leica] Big thick ND filters......
From: richard at richardmanphoto.com (Richard Man)
Date: Thu, 6 Dec 2012 23:07:33 -0800
References: <026901cdd447$c98d9c80$5ca8d580$@verizon.net>

Yes, tonal shift is always possible, but then again, so it 2+ minute
exposure. I say, don't worry about it.

There are 10 stopper that are more neutral.


On Thu, Dec 6, 2012 at 10:55 PM, Frank Filippone <red735i at 
verizon.net>wrote:

> I am interested in slowing down things, a lot.  I had picked out a 10 stop
> ND filter, then did a bit more research, where I found this tidbit...(
> though it is for a 6 stop reduction)
>
>
>
> "This B+W Neutral Density Filter reduces the light by six f-stops. With
> this
> filter and without changing the f-stop, a shutter speed of 1/60 s is
> changed
> to a full second, thus requiring the use of a tripod. Flowing water is
> rendered as flowing in the photo, and people moving in streets are
> dissolved
> in unsharpness or become invisible. Because of its higher transmission in
> the red beyond 660 nm, this filter brings a slightly warm tone to color
> photographs. If this effect is undesirable, a B+W UV-/IR-Blocking Filter
> 486
> in front of the neutral density filter (not behind it) remedies that
> situation. The filter factor is 64x."
>
>
>
>
>
> Has anyone ever heard of a ND filter of this strength being a bit warm
> toned?
>
>
>
> Frank Filippone
>
> Red735i at verizon.net
>
>
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>



-- 
// richard <http://www.richardmanphoto.com>


In reply to: Message from red735i at verizon.net (Frank Filippone) ([Leica] Big thick ND filters......)