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Published online by Cambridge University Press: 12 April 2016
Preliminary feasibility studies have been carried out in the framework of the ESO VLT project which have permitted the evaluation of several possible approaches to the instrument matching problem. This paper briefly discusses the detector long term perspective, recalls the main scaling laws and attempt to provide some quantitative analysis of spatial performance of instrumentation in a few typical cases. Field slicing technique is proposed as a potential solution to solve detector matching problems.