If no filter in place, use restraint in aggressive lens cleaning. I
tend to do more frequent, if casual, cleaning when I have a filter on.
Proper methods and cleaners should only be used.

Jack
--- Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote:

> I stopped using "protection" filters 25 years ago when I saw how much
>  
> they cut image quality. I've only dropped a lens  once, a Nikkor 20mm
>  
> f/3.5 AI-S that was two weeks old, and no filter or hood would have  
> prevented the damage to the  lens' optical alignment that was caused 
> 
> (both filter and hood were on that lens at the time). It needed  
> repair anyway.
> 
> Use good, rigid lens hoods and leave the extra glass behind. If you  
> absolutely must use a protection filter, pitch those Quantaray things
>  
> as far as you can and buy yourself a set of B+W MRC coated clear  
> protection filters. And for heaven's sake, if you're going to use a  
> filter, be *sure* you use a lens hood!
> 
> When you notice how much filters cost in flare, it will be when you  
> get image ghosts across the best evening photos you've ever taken,  
> and which cannot be made again. Ask me how I know this... ;-)
> 
> Godfrey
> 
> On Apr 21, 2007, at 5:56 PM, Amita Guha wrote:
> 
> > People tend to get into religious wars about this sort of thing.
> I'm a
> > firm believer in filtering my lenses, but I think I'm the only
> person
> > on the list who's ever dropped a camera on its front and had the UV
> > filter shatter and the lens remain ok. :) I've never noticed a
> > difference in quality, but I have started ponying up for the more
> > expensive B+W Multicoated filters rather than the cheap Tiffens I
> > started out with. That can add $50-$100 to the cost of each lens,
> but
> > better that than scratching the lens or worse, IMHO.
> >
> > Amita
> >
> > On 4/21/07, Maris V. Lidaka Sr. <[EMAIL PROTECTED]> wrote:
> >> I generally leave my UV filter on my lens.  My (aging) eyes don't 
> 
> >> see any
> >> difference in image quality with or without the filter, but there 
> 
> >> are those
> >> who disagree.
> >>
> >> Maris
> >>
> >> eric wrote:
> >>> I learn something new every day on this list, it seems.  I'm  
> >>> probably
> >>> still a youngin' compared to most of you (rolling over to 27 in  
> >>> about
> >>> a month), and just started getting "serious" about photography
> late
> >>> last year when I picked up a *ist-DL.  Wonderful camera, only
> >>> complaint of sorts is the lack of a hard protective cover over
> the
> >>> LCD, such as found on the Nikon D70.
> >>>
> >>> Anyways, in talking to my photography friends, most of which are
> my
> >>> age or younger, I was always told to never leave the house
> without
> >>> something capping the front element.  Skylight and UV filters are
> >>> handy universal protectors.  Seemed like perfectly sound advice
> to
> >>> me, considering I can't leave the bedroom without getting a spot 
> 
> >>> on a
> >>> white shirt.  I can make it to the front door on a gray shirt.  I
> >>> will have somehow put a scratch in the screen of a new PDA within
> >>> minutes of taking it out of the box.
> >>>
> >>> So yeah, not having some sort of protection on the front of  
> >>> something
> >>> that has triple digits worth of investment in it does make me a
> bit
> >>> uncomfortable.  It hadn't occured to me that these filters might
> be
> >>> degrading image quality, although it does make perfect sense now 
> 
> >>> that
> >>> I think about it.  But considering that I'm still working on the
> kit
> >>> lens, and $300 is a HECK of a lot of money for me to drop on
> another
> >>> lens, am I really going to see that much of a difference between
> >>> filter and no filter?  I picked up a 3 pack of Quantaray filters
> >>> (skylight 1A, polarizer, and UV).  I tend to leave the skylight
> one
> >>> attached to the lens.  I've tried both with and without, and
> can't
> >>> really see any real difference in quality, but then I've also
> been
> >>> focusing more on learning the camera, than getting Ansel Adams
> level
> >>> quality.
> 
> 
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