Archived posting to the Leica Users Group, 2006/01/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Compensation varies according to the film, as well as the lens. The focusing distance should be adjusted by 1/200 to 1/400 of the focal length of the lens, at infinity. Which fraction to use depends upon trial and error. On 1/17/06, Robert Meier <robertmeier@usjet.net> wrote: > > > I suppose they can't build compensation into the filter because it can be > used on a variety of focal lengths and the compensation would need to be > different for different focal lengths. Rollei IR filters can have the > compensation ground in because they will fit on only one lens. > > > No focus compensation. > > > > John Collier > > > > On 16-Jan-06, at 10:46 PM, Robert Meier wrote: > > > >> Does anyone know if the Leica infrared filter (I have an older one in > >> chrome 39mm mount) has focus compensation ground into it so you don't > >> have to shift the focus on the lens from what the rangefinder has > >> indicated? > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >