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Photo Forum / Film Photography / Medium format / August 2006B+W MRC Filters - how easy to clean?
I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am considering the B+W MRC filters. A local camera store told me that they cost more and are much harder to clean than the non-MRC B+W filters. Does anyone have real world experience of this? Any other filter recommendations? Thanks! -chasfs http://chasfs.com > I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am > considering the B+W MRC filters. A local camera store told me that > they cost more and are much harder to clean than the non-MRC B+W > filters. Does anyone have real world experience of this? Any other > filter recommendations? Use lens caps and be careful. My experience is that "protective" filters are essentially always dirty, since one is less careful of them than one is of one's lenses. So your images will be sharper if you don't use them. David J. Littleboy Tokyo, Japan > > I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am > > considering the B+W MRC filters. A local camera store told me that [quoted text clipped - 11 lines] > David J. Littleboy > Tokyo, Japan Maybe so but not having a protective filter or lens cap is a bad idea......and on can always take off the filter. Personally I don't use UV filters....except the digital camera.  SignatureReality-Is finding that perfect picture and never looking back. www.gregblankphoto.com >> > I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am >> > considering the B+W MRC filters. A local camera store told me that [quoted text clipped - 14 lines] > Maybe so but not having a protective filter or lens cap is a bad > idea...... Notice that the first thing I said was "use lens caps". David J. Littleboy Tokyo, Japan > "Greg "_"" <grey_egg@greg_photo.com> wrote in message >> Maybe so but not having a protective filter or lens cap is a bad >> idea...... > > Notice that the first thing I said was "use lens caps". And a lens hood.. SignatureStacey > > I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am > > considering the B+W MRC filters. A local camera store told me that [quoted text clipped - 11 lines] > David J. Littleboy > Tokyo, Japan I'm not buying these as lens protectors. My latest slides from bright sunny days seem to be somewhat hazy, so I really want a UV filter, for high UV situations. That said, does anyone have experience cleaning the B+W MRC filters? Peace, -chasfs http://chasfs.com > I'm not buying these as lens protectors. My latest slides from bright > sunny days seem to be somewhat hazy, so I really want a UV filter, for > high UV situations. Oops. Sorry for the noise. David J. Littleboy Tokyo, Japan chasfs schrieb: >>>I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am >>>considering the B+W MRC filters. A local camera store told me that [quoted text clipped - 3 lines] >> >>Use lens caps and be careful. > I'm not buying these as lens protectors. My latest slides from bright > sunny days seem to be somewhat hazy, so I really want a UV filter, for > high UV situations. You should think about some polarizing filters. Andreas Signature* Alles über Scotch Whisky unter http://www.whisky-guide.com/ * Foto-Galerie unter http://www.gugau-foto.de/ > You should think about some polarizing filters. > > Andreas I already have a couple of polarizing filters. I think UV is more appropriate for my needs. I considered a skylight filter, but have more control in Photoshop to make color corrections just in the shadows. The effects of UV are much more difficult to remove. Peace, -chasfs http://chasfs.com SNIP > I'm not buying these as lens protectors. My latest slides from > bright sunny days seem to be somewhat hazy, so I really want > a UV filter, for high UV situations. > > That said, does anyone have experience cleaning the B+W MRC filters? Cleaning is not any different from how I treat other coatings, on the rare occasion they need it. When I use a filter (MRC) I generally use a brush to remove any loose stuff, and then I use an optical grade microfiber cloth to remove smears. If persistent, I breath on the filter and wipe with the microfiber cloth. On occasions I have used a lens pen, it also works fine. SignatureBart > I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am > considering the B+W MRC filters. A local camera store told me that [quoted text clipped - 4 lines] > -chasfs > http://chasfs.com MRC is supposed to be harder than the glass the filter is made from so that it resists scratching when cleaning. Along with water and dirt repellancy the coating is supposed to provide, that's supposed to make the filter easier to clean than regular filters. Just be as careful cleaning the filter as you would be in cleaning a lens and you should be ok. I bang around a whole lot trying to get to where I can take the picture I want. I've lost a lot of lens caps in the process. Never lost a filter off the lens. I have broken a filter or two, and I have broken a lens, although in that case the filter didn't fail. >I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am >considering the B+W MRC filters. A local camera store told me that >they cost more and are much harder to clean than the non-MRC B+W >filters. Does anyone have real world experience of this? Any other >filter recommendations? I use B+W MRC filters on most of my lenses and find them very easy to clean. They cost more because MRC is a superior multi-coating. Ironically, the advice you were given applies perfectly to **Hoya** HMC filters, which are almost impossible to clean without leaving streaks. The latest Hoya HMC Pro1 filters are just as bad. > I'm looking to buy a set of UV filters for my Pentax 6x7 lenses and am > considering the B+W MRC filters. A local camera store told me that [quoted text clipped - 4 lines] > -chasfs > http://chasfs.com I haven't found the MRC filters to be any harder to clean than other (B+W or other brand) filters. Hoya's HMC does seem to make their filters harder to clean and maybe that's what the store person was thinking of, but that comment really is plain wrong w.r.t. the B+W MRC ones. Other recommendation: Pentax SMC. They are expensive, but personally I think worth it. Peter |
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