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Graham. My comments are entirely what-if, just a thought. Having modified a DSLR the issues mentioned are only possibilities. The link to cleaning sensors relates to cleaning the front of the low pass filter, whereas, the mod involves exposing the face of the sensor. I found it particularly difficult to keep the sensor face dust free during installation of the new filter assembly until I got the cleaning technique under control.
The shims, well... the horse has bolted. If indeed they are part of the problem and most likely it's focus tube attachment. Realigning the sensor can be done with basic tools, so it's not the end of the world and a slim possibility. If as I noticed, the very thi shims, 0.1mm become dislodged during disassembly they are easy to miss. Particularly as they stick to the sensor frame and may go unnoticed - there, I'm worrying for you. Perhaps needlessly.
Last edited by rcheshire; 08-01-2012 at 08:22 AM.
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