Sunday, September 26, 2010

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stabilization systems objectives have their own characteristics depending on the brand you are using. In this article we will refer to the peculiarities of the objectives of Nikon.
a) The Vibration Reduction System (VR) lenses use different algorithms to calculate the deviation between two moments: While we maintain pressed the shutter button halfway and when you tighten down for exposure. Also before applying the latter algorithm performs a "pre-Centered Exposure." What does all this mean? Let us explain.
While we pressed the shutter, the vibration detection algorithm running on the target processor through the engine moves the lens to compensate for vibration, with the aim of providing a clear image in the viewfinder. When pressing the shutter release and activate the mechanism of exposure there is a focus of the lens to compensate for the vibration to the optical axis and the flow of motion data that come from that time produced by a different algorimo governed by purpose microprocessor, a new movement compensation of the lens. The result is that you can produce a slight "jump" between what we saw through the viewfinder and what ultimately is recorded by the sensor.
b) System of Nikon Vibration Reduction (VR) has two different modes of operation. In the so-called Standard l off is the slight motion jitter produced to keep the camera handheld when making a photograph. In this case it is assumed that the photographer is located on a base which itself is stable. To put fast. The ground. The so-called
Active compensation for camera shake occurs when the photographer produced not in a stable, but the very base is subject to movement: A car, train, boat, etc..
c) In some lenses that use Nikon's Vibration Reduction system of second-generation VR II, it is possible to maintain the active stabilization mechanism when using a tripod. These objectives are able to detect the absence of jitter that occurs when the camera is firmly attached to a tripod and do not initiate the normal clearing process. In theory they are able to detect the minimal camera shake that can occur due to mirror movement, movement of the shutter curtains and lateral motion due to wind.

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