Re: chromatic aberration

Posted by Martin Wessendorf-2 on
URL: http://confocal-microscopy-list.275.s1.nabble.com/Concentrating-bacteria-cells-for-microscope-visualization-tp6519025p7133937.html

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Hey, Mike--

On 12/28/2011 2:01 PM, MODEL, MICHAEL wrote:

> 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?

What manufacturer?  Not to trash any particular brand but I've seen
problems that bad on 60x oil objectives from some makers and would
expect a 10x objective to be even worse.

Martin
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