
%0 Journal Article
%A Cruickshank, FD 
%T The Design of Photographic Objectives of the Triplet Family. I. The Design of the Triplet Type 111 Objective
%J Australian Journal of Physics
%D 1958/03/01
%V 11
%N 1
%P 41-54
%K 
%R https://doi.org/10.1071/PH580041
%U https://www.publish.csiro.au/paper/PH580041 
%X A general study has been made of the initial design of photographic objectives of the triplet family of objectives. A classification is suggested. The point of view is taken that it is convenient to regard the first two members of a triplet as constituting a compound corrector system to the rear positive member. 
