I can't agree with the use of ND filter will reduce contrast, ND
filters should reduce brightness of scene proportionally, won't make a
sunny day to a cloudy day. But it could reduce contrast due to
reflection surface increased.
Under-expose negative will reduce contrast but also increase grain.
C.H.Ling
Ray Moth wrote:
=======================================================================
> I agree, there are many ways to reduce contrast. To me, the ND filter
> approach makes sense, because the less light there is the lower the
> contrast. In a totally dark room, everything looks black, whatever its
> colour or shade. There is no contrast. If the light level is increased,
> light coloured objects brighten while dark objects are still dark, i.e.
> contrast is also increased. Use of an ND filter (or polarizer) will
> simulate the effect of a dark room, reducing contrast.
>
> Another way to achieve low contrast could be to under-expose negative
> film, thereby depleting the emulsion. The overall brightness can be
> corrected in the printing stage but contrast will be lower.
>
> I've also seen clever use of stocking-mesh, stretched over the lens, to
> produce soft pictures but, as John says, such things reduce resolution
> as well as contrast. As a final resort, you could try coating the lens
> with a thin layer of banana pudding; after use, it can be wiped off
> with an iced Volvo. ;-)
>
> Regards,
>
> =====
> Ray
>
> "The trouble with resisting temptation is
> you never know when you'll get another chance!"
>
> __________________________________________________
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