[rollei_list] Re: Step Up Ring - uncoated filter

the filter is just another lens element.  You want them all coated if
contrast is important.

On 4/18/07, Marc James Small <marcsmall@xxxxxxxxxxx> wrote:

At 05:05 PM 4/18/2007, eroustom@xxxxxxxxxxx wrote:
 >It shouldn't matter if the filter is coated should it? The lens is coated.
 >

Well, to be honest, the difference in performance
between a coated lens and an uncoated lens
with  proper lens hood is minimal save under
direct countre jour shooting.  Under a VERY few
conditions, coating on a filter might help but,
again, a lens hood is the best answer to eliminating flare.

For that matter, many night recon and security
lenses remain uncoated to this day as this
preserves detail while sacrificing some background darkness.

Marc


msmall@xxxxxxxxxxxx
Cha robh bàs fir gun ghràs fir!

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