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<blockquote data-quote="D200freak" data-source="post: 539425" data-attributes="member: 41018">While it is complex,&nbsp; it's engineered such that it's really not that difficult to work on it.&nbsp; The most complex mechanisms are assemblies that are intended to be replaced as units rather than repaired at the level of the individual part. There are basically three mechanical systems in the D810:&nbsp; The shutter system,&nbsp; the mirror control system, and the aperture control system.&nbsp; &nbsp; The shutter system is by itself in the back frame.&nbsp; The mirror control system and the aperture control system are both controlled by a single mechanical package that's part of the mirror box.&nbsp; &nbsp; A problem with either would generally require you to replace the single mechanism that controls both. There is also a simple mechanism for the autofocus unit, but again, in the event of a problem you'd most likely replace the complete AF assembly.</blockquote>

[QUOTE="D200freak, post: 539425, member: 41018"] While it is complex, it's engineered such that it's really not that difficult to work on it. The most complex mechanisms are assemblies that are intended to be replaced as units rather than repaired at the level of the individual part. There are basically three mechanical systems in the D810: The shutter system, the mirror control system, and the aperture control system. The shutter system is by itself in the back frame. The mirror control system and the aperture control system are both controlled by a single mechanical package that's part of the mirror box. A problem with either would generally require you to replace the single mechanism that controls both. There is also a simple mechanism for the autofocus unit, but again, in the event of a problem you'd most likely replace the complete AF assembly. [/QUOTE]

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