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Armstrong, Brian on
URL: http://confocal-microscopy-list.275.s1.nabble.com/any-ideas-how-lens-broke-tp7582371p7582373.html
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Hi, sorry! I think you can generate more force by moving laterally with the joystick controller. If the objective contacts the stage when moving quickly it may cause this type of damage. This is also easier to do on an inverted stand.
I was told that a repair like this will cost 50% of the cost of a new lens. I think Zeiss will give you an RMA number and you can send them the lens for quote and repair. At least you do not have to pay anything up front for assessment or repair.
Good luck,
Brian Armstrong PhD
Associate Research Professor
Director, Light Microscopy Core
Beckman Research Institute
City of Hope
1500 East Duarte Road
Duarte, CA 91010
626-256-4673 x62872
-----Original Message-----
From: Confocal Microscopy List [mailto:
[hidden email]] On Behalf Of Eric Shelden
Sent: Thursday, July 17, 2014 1:46 PM
To:
[hidden email]
Subject: Re: any ideas how lens broke?
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Is the microscope an upright or inverted? I have seen this happen with our own zeiss 200M inverted microscope. The free space between the top of the lenses and the underside of the stage is not large. If a chamber is on the stage that requires focusing up higher than usual with a lens on the opposite side of the turret, it is possible for a large lens like the 63X to make contact with the underneath of the stage with enough force to damage it. It may be possible to set a travel limit that prevents this, although users might override it to reach their specimens. Unfortunately, the cost for repair is probably close to the cost of a new lens.
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