In Nikon D800e validated the vibrations and the tripods

Started Oct 30, 2012 | Discussions thread
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Truman Prevatt
Truman Prevatt Veteran Member • Posts: 4,876
Re: In Nikon D800e validated the vibrations and the tripods

I fully understand how the shutter on a Nikon works.  It hasn't changed much in 30 years. At higher speeds the two parts of the shutter form a slit that exposes the sensor.  However, the physics is the same.  When a mass is accelerated a force is required to which there is a reactive force. Which becomes a force for camera motion.  When the shutter stops, it takes a force to accomplish it which again generates a reactive force.  Hence shutter induced vibration.

It's not much but at 36 MP it doesn't take much.

Truman

AlephNull wrote:

It's not clear, but I get the impression that you misunderstand. The shutter is not a single curtain that opens, pauses, then shuts in the opposite direction. It's two curtains, both of which travel in the same direction. The first opens, revealing the sensor, then the second closes, hiding it again. At higher shutter speeds, the two curtains "chase" across the sensor, revealing a strip of the sensor between them. Then the shutter "re-cocks", moving both curtains back across.

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Truman
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