Gerhard Kelch
Carl Zeiss AG
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Publication
Featured researches published by Gerhard Kelch.
Renewable Energy and the Environment (2013), paper FM2B.2 | 2013
Gerhard Kelch
A general design method for progressive spectacle lenses is described, and emphasis is put on optical correction examples of modern progressives having a simple spherical front surface and a complex freeform back surface
Archive | 2003
Gerhard Kelch; Timo Kratzer; Markus Welscher; Helmut Wietschorke
Archive | 1997
Gerhard Kelch; Hans Lahres; Konrad Saur; Helmut Wietschorke
Archive | 1991
Gerhard Kelch; Hans Lahres; Helmut Wietschorke
Archive | 1991
Gerhard Kelch; Hans Lahres; Helmut Wietschorke
Archive | 2011
Timo Kratzer; Jesús-Miguel Cabeza-Guillén; Gerhard Kelch
Archive | 2011
Darryl Meister; Timo Kratzer; Jesús Miguel Cabeza Guillén; Ray Steven Spratt; Markus Welscher; Gerhard Kelch; Helmut Wietschorke
Archive | 2001
Gerhard Kelch; Helmut Wietschorke
Archive | 2008
Oliver Baumann; Jesús Miguel Cabeza Guillén; Michael Claus; Markus Haidl; Gerhard Kelch; Timo Kratzer; Herbert Krug; Peter Schnitzer; Hexin Wang
Archive | 2013
Gerhard Kelch
