Archived posting to the Leica Users Group, 1997/07/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 21:47 26/07/97 +0000, you wrote: >I might have asked this before, but don't think I saw a confirmation: >Does the 70-180 still need focus correction for infrared film, or is >it a true APO in this respect too, just like all other Leica APO primes? >Does it show a red dot on the DOF scale, or is this mentioned in the >manual? >Willem-Jan Markerink The presence or otherwise of the red dot may not mean much. Leica hasn't been putting the red dot or any other infrared focusing correction mark on its lenses for a long time- regardlesss of whether they were Apos or not. I think they consider them to be somewhat misleading since they are only really accurate for infinity. Joe Berenbaum