Archived posting to the Leica Users Group, 2000/07/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I believe that the Hoya glass that Leica buys for lenses is different from the glass Hoya uses for its filters. There are many many different types of glass in the Hoya glass catalog. I personally do not like Hoya filters. I have a few colleagues who have had bad experiences. Jim At 11:05 PM 7/24/00 -0400, Dante A Stella wrote: > >Hoya on the ASPH?! Glad I bought the old one. : ) > >There's nothing wrong with Hoya glass. The mounts are not heavy, but I >guess that >can be an asset. They don't seem to be much cheaper than B+W. B+W does make >Leica >filters, which is why the B+W boxes have the Leica cross-reference numbers. > >Multicoating is a moot issue with anything other than a skylight, no? With any >colored filter, you're already well over the 2% light loss you would get with >multi- vs. single-coated. A Yellow 8 takes around 50%, for example. I don't >believe even B+W multicoated colored stuff until very recently. > >Mark Rabiner wrote: > >> I go under the assumption that Leica's filters are multicoated up the yin >yang >> and are in brass mounts and the whole bit. >> If you made sure to special order B+W filters to be super duper multicoated >> they'd be the same if not better. >> There is some question as to if B+W is Making these filter for Leica. >> It's a toss-up either way. You're going to pay more to have it say Leica >on it. >> And I think Heliopan is a viable option of equal quality to Leica or B+W. >Shott >> glass! (with what for a chaser?) >> And as the front element of a Leica ASPH lens is from glass from HOYA >having a >> new high end filter from them would seem very apropos. >> Except it would say "Hoya" on it! >> Mark Rabiner > >-- > ------------------------------------------------------------------------ >Dante Stella >http://www-personal.umich.edu/~dante >