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2014.09.02

EVF of X-T1 and X-E2

Any display lag between the EVF and LCD can mean missed shooting opportunities, so this time should be shortened as much as possible. In order to do this, we looked at the whole process, from reading the signal on the CMOS sensor to displaying it in the EVF.
Existing cameras display the image after the whole frame has been read from the processor, but on the X-T1, the image starts to display before the processor has completed developing the whole image, which reduces lag time and means the sensor and display are synchronized. Display lag time has also been reduced by increasing the frame rate compared to the X-E2.
The improvements mean the X-T1’s EVF has a world’s shortest delay of just 0.005 second. You may perceive almost no delay on the view finder compared to the real image.
* The feature will be added to X-E2 by installing firmware Ver. 2.00 or later. (Revised: 2014/4/30)

Typically, to collect enough light to display viewfinder detail in low light conditions, the frame rate (number of still images displayed on the EVF in one second) has to be reduced. But this increases display lag. The X-T1 is designed for the frame rate to reduce more slowly than the X-E2 and although the rate is still reduced in low light, maintaining synchronization between the sensor and EVF ensures the lag time is kept to a minimum.
* The feature will be added to X-E2 by installing firmware Ver. 2.00 or later. (Revised: 2014/4/30)

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