Archived posting to the Leica Users Group, 2012/01/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]And then there is the Summilux 50 ASPH....... ;-) Mit freundlichen Gruessen Geoff http://www.pbase.com/hoppyman On 24 January 2012 21:56, Marty Deveney <benedenia at gmail.com> wrote: > On Tue, Jan 24, 2012 at 10:15 PM, Mark Pope <mark at whitedogs.co.uk> > wrote: > > With respect to the 'lack' of close focusing on the Noctilux (or Nokton > > f.1.1 for that matter), I wonder whether the reason for the 1m limit is > to > > do with depth of field? > > Yes, the parallax and focusing become very problematic because of the > shallow depth-of-field. Correcting a lens that fast that close is > also difficult. The Canon Ef 50mm f1.0 focuses to 0.6m but its > performance drops enormously closer than 1m, despite floating and > aspherical elements. > > Marty > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >