[3dem] Camera CMOS malfunction
Marin van Heel
m.vanheel at imperial.ac.uk
Thu Oct 26 04:40:15 PDT 2017
Dear David
Apparently your F416 CMOS camera is subdivided into eight vertical
stripes which are processed separately electronically. Stripe 5 and 6
(from 1-8) appear to have some electronic synchronization problem.
I would contact the manufacturer if I were you. (Tietz?)
Cheers
Marin
==============================================
On 26/10/2017 02:27, David LIEBL wrote:
>
> Dear all,
>
> Has anyone experienced similar CMOS malfunction/damage on TEM camera
> or could anyone tell what could have caused this kind of malfunction?
>
> Attached is one illustrative image (flat field-corrected) plus dark
> frame image (uncorrected) for a reference. Both images were saved as
> 8-bit TIFFs (4K) and binned 4 (to reduce file size for email).
>
> Note the two vertical stripes - they look exactly like motion blur
> filter applied at zero angle with distance of 10 pixel (simulated in
> Photoshop).
>
> Any suggestions?
>
> Camera status description is also attached.
>
> Thank you for advice,
>
> David
>
> *David Liebl, PhD *
> <mailto:asyifah_rashid at bmsi.a-star.edu.sg>::***IMB-IMCB Joint Electron
> Microscopy Suite Manager *::***Institute of Molecular and Cell Biology
> (IMCB) and Institute of Medical Biology (IMB) *::*Agency for Science,
> Technology and Research (A*STAR) *:: 61 Biopolis Drive :: #B2 Proteos
> :: Singapore 138673 ::**DID (65) 6407 0790 :: Fax (65) 6779 1117
>
> www.a-star.edu.sg/imb/Tech-Platforms/IMB-IMCB-Joint-Electron-Microscopy-Suite.aspx
> <http://www.a-star.edu.sg/imb/Tech-Platforms/IMB-IMCB-Joint-Electron-Microscopy-Suite.aspx>
>
>
>
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--
==============================================================
Prof Dr Ir Marin van Heel
Laboratório Nacional de Nanotecnologia - LNNano
CNPEM/LNNano, Campinas, Brazil
tel: +55-19-3518-2316
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(041-19-981809332 TIM)
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email: marin.vanheel(A_T)gmail.com
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and: mvh.office(A_T)gmail.com
--------------------------------------------------
Emeritus Professor of Cryo-EM Data Processing
Leiden University
Mobile NL: +31(0)652736618
Emeritus Professor of Structural Biology
Imperial College London
Faculty of Natural Sciences
email: m.vanheel(A_T)imperial.ac.uk
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