Archived posting to the Leica Users Group, 1999/03/13
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]- -----Original Message----- From: Jim Brick <jim@brick.org> To: leica-users@mejac.palo-alto.ca.us <leica-users@mejac.palo-alto.ca.us> Date: Friday, March 12, 1999 9:39 PM Subject: [Leica] Re: Should len's infinity marking really be infinity? >You have to be careful about distances. To test your RF for infinity focus, >you should pick a large object, at least a mile away. Such as a radio tower >on a distant hill, or far away water tower. Skyscraper in a distant city. >Infinity, of course, is non existent. But your RF should put your lenses, >on the infinity stop, with very distant objects. A few hundred feet away is >not enough. Test at three thousand feet (1000 meters) or farther. > >So how far away was your test subject? > >Jim The Leica dealer I frequent recommends that the moon on a clear night is the best option. jh