Archived posting to the Leica Users Group, 2011/04/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 11 Apr, 2011, at 12:41, Vick Ko wrote: > Hello > > I've been playing with my DMR with the 80mm f1.4. > > I'm finding it a lot more difficult to use and capture proper focus at > f1.4 than I expected. > > Is the dof of an 80mm at f1.4 thinner than the dof of a 50mm at f1.4? Yes, noticeably. > > And is this typical of what people found, using their rf 75mm Summiluxes - > very difficult to capture proper focus? More difficult than a Noctilux, but not impossible. > > I suppose it didn't help, trying to photograph a 7 month old boy, who > doesn't quite understand sitting still yet :-) Fast lenses wide open with children is a 1 in 50 strategy... > > Vick > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information Frank