In article <33033760.5EA0@erols.com>, ncginc@erols.com says...

>Seriously, though, when doing snapshots or photojournalistic stuff,
>I leave the UV filter on to proect the lens. But when doing other shooting,
>like landscapes or macro work on a tripod, I take off the UV filter to ensure
>maxiumum shaprness

Hmmm, not really necessary, though... Any good filter, even on a fast,
long tele, has no discernable effect on sharpness...
Hope This Helps