Previous: Efficiency of Dichroics and Polarisation optics
Up: No Title
Next: Details of the La Palma Sky
Previous Page: Efficiency of Dichroics and Polarisation optics
Next Page: Details of the La Palma Sky
This appendix gives the actual values of the densities of ND filters in both the star--beam (`MAINFILTND') and in the calibration--lamp beam (`COMPFILTA/B').