On 14 Jul 2005 at 15:31, William Robb wrote: > My 15mm lens is a 10mm lens on film. > My 20mm lens is a 14mm lens on film > My 24mm lens is a 16mm lens on film > My 28mm lens is an 18mm lens on film > My 31mm lens is a 20mm lens on film. > My 35mm lens is a 24mm lens on film. > My 50mm lens is a 35mm lens on film. > My 77mm lens is a 50mm lens on film. > My 85mm lens is a 58mm lens on film > My 100mm lens is a 65mm lens on film. > My 105mm lens is a 70mm lens on film > My 150mm lens is a 100mm lens on film. > My 200mm lens is a 135mm lens on film (which is nice, because otherwise, I > don't > have a 135mm lens) My 300mm lens is a 200mm lens on film. My 400mm lens is a > 270mm lens on film. My 500mm lens is a 330mm lens on film. > > I think I have it straight.
Not quite, the actual mag factor is 1.53 :-) Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
