On 2 Aug 2004 at 0:00, jtainter wrote: > I have asked Pentax USA what circle of confusion Pentax uses for DA lenses. As > one might expect, the question just generated its own confusion.
Why does this not confuse me, do they even understand the concept? > Does anyone know what circle of confusion Nikon is using to calculate depth of > field for lenses on it APS-sized sensor? That figure would probably also apply > to Pentax lenses. If someone with a DA14 can provide visual confirmation of the focal distances at the f22 DOF scale marks when the left mark is set at infinity (hyper-focal) it should be pretty easy to calculate with reasonable accuracy. 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
