P3D Re: filters

[CanterMike@xxxxxxx]

Linda is looking for filter data.  Bob Maxey suggests, in part:

<<  Kodak used to have a
 photoguide just for their filters. This was a large format booklet and
 covered most filters in their general Wrattin and scientific filter product
 group. It is a great reference. >>


The book in question is probably publication B-3, Kodak Photographic Filters 
Handbook.  A very useful guide & if I had my copy close to hand (its under my 
desk at work, but I'm sending this from home) I'd be able to tell with a 
glance at the transmission curves how the amber light balancing filters (85 & 
such) compare to a "regular" B&W orange (Wratten #15) filter.  
My recollection (sketchy, at best) is that, although they look a good bit 
alike to the eye, the actual wavelenghts absorbed/transmitted are 
considerably different.

M Canter