From: David Mann
On Oct 8, 2011, at 6:15 AM, John Sessoms wrote:
OTOH, even a cheap UV filter doesn't degrade the image as much as
a scratched up front lens element. If the filter does get
scratched up, a filter is cheaper to replace than a lens.
That is not conjecture, it is bitter, hard learned, expensive
experience.
Interesting, I'd be interested to hear more details. I've heard the
stories of Pentax lenses being used as ash trays without the
slightest damage so I figured you'd have to try pretty hard to
scratch one.
Myself, I always have either a hood or a cap on my lenses. I
consider UV filters to be superfluous, but they're not as bad as
someone using a lens with a hood fitted in its "backwards" position.
That's fingernails on a blackboard to me
A lens cap provides no protection while you are actually taking
photographs. The lens hood does not always adequately protect the front
element.
I slipped & fell while taking photographs. The camera hit the ground
lens first.
The lens did not have a filter. I put a bad ding (like a chipped car
windshield) in the front glass that showed up in every photo I
subsequently took with that lens, so that I ended up having to replace it.
I have had other accidents where I banged up the filter, but the the
lens itself was not damaged.
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