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Fujifilm GFX100

Fujifilm GFX100: Using the FOCUS BKT Feature for Focus Stacked Images

Translated into English, the FOCUS BKT feature of the Fujifillm GFX100/50S/50R means intelligent focus stepping from near to far for the purposes of focus stacking.

“Intelligent” means that the step size takes into account four factors: distance, shooting aperture, focal length, and user-choosable step size). Essentially, the camera computes how far apart the focus needs to be for each frame, given the aperture and focal length and distance.

The user controls only starting focus distance and the Step Size, a multiplier for the calculation that enlarges or contracts the computed spacing.

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  • In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
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  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
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Fujifilm GFX 100 FOCUS BKT recommended settings for f/8

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