A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is
Analytical expressions for field astigmatism in decentered two mirror telescopes and application to the collimation of the ESO VLT
Astronomy and Astrophysics Supplement Series
We derive formulae for all parameters defining the field astigmatism of misaligned two mirror telescopes with arbitrary geometries and with stop positions anywhere on the line connecting the vertices of the two mirrors. The formulae show explicitly the dependence of the field astigmatism on the fundamental design parameters and characteristics of the telescope and on the stop position. Special attention is given to the particular case where such a schiefspiegler has been corrected for coma atdoi:10.1051/aas:2000201 fatcat:zar7ho7io5ha7fsqooymkkrfpq