Hi all, >mostly by Hoya (or Marumi), have aluminum rings and thinner glass. I >personally use Hoya HMC (Hoya Multi-Coated) Pro 1 UVs because they use L41 >glass. What this represents is the wavelength at which point the UV is cut >out. This is the highest UV cutoff before the glass takes on a yellow tint. >B+W makes a UV415 filter which is basically L41.5 glass and slightly yellow. >It will show a yellowish color cast in photos taken with it at sea level >since it is specifically designed for use in high altitudes. >Sorry for the long winded reply but IMHO it is best to use a filter that >provides some benefit. Standard Hoya are L39 glass (the expensive Nikon UV >filters are L37), are coated, and probably the best for the $$$. If you use >Velvia and Provia you really have no need to warm them up with a filter so >my recommendation is to buy a good UV filter. > >Peter K
It is interesting. And right now, I'm planning to buy a slim B+W filter. You suprised me. According to your explanation, the B+W UV filter is a kind of sky/warming up filter to some extent. I would need a natural one. Zoltan * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
