An NG filter is usually used in landscape photography to reduce contrast between, say, 
dark foreground and much lighter sky - to bring exposure for the sky to the level more 
or less equal to that for the foreground (the clear part of the filter is placed over 
the foreground). Hence before placing the filter on the lens you should meter for the 
foreground only and either lock the exposure in an AE mode or use Manual Exposure 
mode, 
then place the filter over the lens and take the photo.
 
Ramesh Kumar_C <[EMAIL PROTECTED]> napisa� / wrote: 

> Hi
>       My friend has ZX-50 and he would like to use Nuetral Graduated
> filter for Landscape photography.
> I think spot metering is needed for metering while using NG filter.
> Since ZX-50 does not have the spot metering, how to meter while using NG
> filter?
> 
> I think somebody must have encountered this problem.
> 
> Bye
> Ramesh
> 
> 
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