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Re: [OM] Moderate Contrast Lenses

Subject: Re: [OM] Moderate Contrast Lenses
From: "C.H.Ling" <chling@xxxxxxxxxxxx>
Date: Mon, 13 Nov 2000 20:56:36 +0800
----- Original Message ----- 
From: "John Hudson" <xyyc@xxxxxxxx>


> "C.H.Ling" wrote:
> > 
> > I can't agree with the use of ND filter will reduce contrast, ND
> > filters should reduce brightness of scene proportionally,
> 
> Not so I think. All an ND filter does is to slow the rate at which the
> available light passes through the lens system from the outside world
> onto the film in the camera. The quality of the light per se is
> preserved. The use of an ND filter prompts the use of a slower shutter
> speed and / or a larger aperture.
> 
> jh
> 

??? Was I saying the same thing?

C.H.Ling


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