ND filters

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Mick G.

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Michael George
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Does a N D filter improve or harm the performance of a standard lens? Do you consider it advantageous to keep one in place at all times? I mean, is the lens likely to be damaged without it? Thanks.
 
an ND (neutral density) filter is used to reduce the amount of light entering the lens therefore allowing longer exposure times for an equivalent aperture (so you can control the depth of field whilst allowing motion blur).

leaving one on all the time is going to be counterproductive unless you only shoot rivers and waterfalls

I think you are referring to the common use of a filter on the end of a lens for protection of the lens end element. These filters are usually a UV filter, a skylight filter (1A or 1B) or a clear protection filter (although it probably has anti-reflective coatings on it). There's already lots of threads discussing the pros & cons of these, try doing a search.
 
Wookie, thanks for reply. The filter I was using is a U V (N).
I'm not going to use any "protective " filter from now on.
 
A UV filter isn't an ND filter though. A lot of people do use UV filters to protect the lens.
 
YES....i dropped my camera and it landed on the front of the lens... shattering the glass of the uv filter and badly denting the metal rim of it.

It unscrewed and the lens was fine... but I would suggest you do use a UV filter.
 
OK ! Back on it goes! I was just afeared it might detract from the quality of the standard lens. By the way , is it lens or lens?
 
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