Raimo Korhonen wrote: > > No problem - almost all lenses do that, especially longer lenses - focus beyond >infinity, to take care of the different heat expansion characteristics of the glasses >and barrel materials so that you get infinity focus whatever the temperature.
Is that when the ring is rotated against it's stops? Or whenever it's placed exactly on the infinity mark? keith whaley > All the best! > Raimo > Personal photography homepage at http://www.uusikaupunki.fi/~raikorho > > -----Alkuperäinen viesti----- > Lähettäjä: David Weiss <[EMAIL PROTECTED]> > Vastaanottaja: P. List <[EMAIL PROTECTED]> > Päivä: 12. elokuuta 2002 16:22 > Aihe: Infinity Focus problem > > >Hi all, > > > >I have a lens that is little off when attempting to focus to > >infinity--instead of moving the focus all the way to the end, > >you have to back it off a little. It is only with this one > >lens and not a problem of the camera with other lenses. > > > >Does anyone know what causes this? Does this indicate that > >the lens does not focus correctly through the whole range or > >that it is just off at infinity? > > > >Screwmount lens, btw. > > > >thanks Dave - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
