chromatic aberration

Posted by mmodel on
URL: http://confocal-microscopy-list.275.s1.nabble.com/Concentrating-bacteria-cells-for-microscope-visualization-tp6519025p7133835.html

*****
To join, leave or search the confocal microscopy listserv, go to:
http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
*****

Hello and happy holidays to everyone!

Both of our 10/0.4 planapo objectives have a bad longitudinal chromatic aberration between blue and far red (2.5 um axial shift with correct coverslip). Is this normal for low-power objectives?

Mike