
TY  - JOUR
A1  - Cruickshank, FD 
T1  - The Design of Photographic Objectives of the Triplet Family. I. The Design of the Triplet Type 111 Objective
JF  - Australian Journal of Physics
JO  - Aust. J.  Phys.
Y1  - 1958
VL  - 11
IS  - 1
SP  - 41
EP  - 54
KW  - 
UR  - https://doi.org/10.1071/PH580041 
N2  - 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. 
ER  -

