D800 amplifier glow

Started Apr 29, 2012 | Discussions thread
Astrophotographer 10
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Re: D800 amplifier glow
In reply to inasir1971, Apr 30, 2012

One possible explanation is the way the surrounding circuit boards are mounted.

I can't comment except for Nikon D70 and compared to Canon 20D.

Canon has no circuit boards on the back of their sensors. They are mounted elsewhere in the body.

The D70 had a circuit board stuck on the back - bad design. No doubt that board heated up when activated. D70 had very bad amp glow and comparable Canons almost none.

Not sure if Nikon still does that as D70 was ages ago.

Also Canon 20D had several layers of copper shielding. D70 had none. So the Canon EOS was more protected from external interference.

Greg.

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