question about filters and IQ

Started Aug 5, 2014 | Discussions thread
Lee Jay Forum Pro • Posts: 52,489
A lot of that is not really true

scorrpio wrote:

A poor quality clear filter significantly degrades your image quality,

Only under some fairly harsh conditions.

has a fairly negligible impact on your wallet,


and provides zero benefit.

Or, a lot of benefit.  I have a lens, for example, that's only sealed with a filter attached.  Without a filter, sand and grit just blows directly into the lens.

A high quality clear filter has negligible impact on your image quality,

It has about the same impact as a cheap one in ordinary conditions, and a much smaller impact in harsh conditions.

significantly degrades your wallet contents,

Some pretty good ones are also pretty cheap these days.

and provides zero benefit.

And provides many benefits.  One more in addition to the one I mentioned above is the ability to remove it from the lens and wash it under a faucet, which is nice if it has gotten really messed up.  A final one is just flat protection.  I once had a filter get shattered by an impact, with the underlying lens still intact and undamaged.

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Lee Jay

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