CONFOCALMICROSCOPY Archives

December 2011

CONFOCALMICROSCOPY@LISTS.UMN.EDU
Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
Re: chromatic aberration
From:
Martin Wessendorf <[log in to unmask]>
Reply To:
Confocal Microscopy List <[log in to unmask]>
Date:
Wed, 28 Dec 2011 14:24:44 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (23 lines) 
*****
To join, leave or search the confocal microscopy listserv, go to:
http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
*****

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
-- 
Martin Wessendorf, Ph.D.                   office: (612) 626-0145
Assoc Prof, Dept Neuroscience                 lab: (612) 624-2991
University of Minnesota             Preferred FAX: (612) 624-8118
6-145 Jackson Hall, 321 Church St. SE    Dept Fax: (612) 626-5009
Minneapolis, MN  55455                    e-mail: [log in to unmask]

ATOM RSS1 RSS2