--- Boris Liberman <[EMAIL PROTECTED]> wrote:
> Are they worth it? How do they compare to other manufacturer's filters? 

Consider used SMC filters are expensive, I'd say it's better to buy brand new 
B+W
MRC or HOYA SUPER HMC.

> Finally, but please don't let it be a flame, if not Pentax, what are
> the protective filters that match optical quality of lenses such as FA
> 50/1.7 or M 50/1.4 that I have?

I am a sharpness nut, but I honestly do not think it is such a big deal. Have 
been
using HOYA monocoated, HMC, Super HMC, Nikon, Pentax, B+W and some others. Some 
very
low quality like uncoated, Cokin resin or Tiffen degrade the image quality, but
coated HOYA, Nikon, Pentax & B+W do not show any difference at all. The thing 
is,
when the front of the lens was hit by any strong light, even the best filter 
flares,
simple as that.

> Then of course as usualy I may be nuts again... I mean may be filters
> have nothing to do with dust inside lenses...

Of course not.  :-)

Alan Chan
http://www.pbase.com/wlachan


                
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