Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal ultimately the lower NA with its longer working distance wins if the sample is clear enough.. At 08:31 PM 2/4/2008 -0500, you wrote: >Search the CONFOCAL archive at >http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal >Hello all! > >I was wondering for which one penetration depth is higher: NA:1.2 >60x lens or NA : 0.3 10x lens? > >thanks >Sarah