UV filters

Lens, well some lens seem to have a high destruct level, I managed to bounce my old Pentax 100-300mm FA. It did get some damage the area designed to screw on a filter is a little bent but the rest of the lens is in perfect working order only problem is if I wish to use a Polaroid, I can't.

Don't know if all lens are this robust don't think plastic would have survived but this one did even if it has lost a chunk off it's second-hand value.

Probably you are right - UV may be useful in case of accident, but may degrade the image always.
So I'm oriented to buy just a polarizer filter and maybe a ND later to be used when condition requires.

Not found a significant loss in quality from using a UV filter and a circular polarising filter on my Sigma lens. On the other hand, I now feel compelled to do some comparison shots!

*laughs*

When placing glass on glass it should be quality, both B+W and Hoya produce quality filters. Using a lens hood to protect a lens can be quite detrimental, if the lens hood takes a knock it can severely damage the delicate screw thread on the lens itself - not a good idea. Hoya now manufacture a lens protector filter, although I have not tried it. I would personally purchase a Hoya UV Pro digital filter, when you need to use your polriser carefully remove the UV. John Riley is quite correct about cleaning the lens element, only when absolutely necessary.
Hope this helps you.
Rees.

thank you for your point of view, it is right as well...but many different p.o.v.'s!