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EXCERPT page containing first few paragraphs. 2023-10-01 09:07:26

Fujifilm GFX100S
Fujifilm GF 30mm f/3.5 R WR

Can the Fujifilm GF 30/3.5 Deliver a Fully Sharp Image with Focus Stacking?

And can the Fujifilm GF 30/3.5 deliver 100-megapixel captures?

Each time I shot the Fujifilm GF 30mm f/3.5 in the field, the outer zones disappointed me by failing to develop anything near the sharpness of the central 2/3 or so. Two lens samples behaved similarly.

Part of the issue is a real/actual depth of field that thins-out considerably in the outer zones, so I wondered if focus stacking might fully or partially overcome this performance disappointment.

Example #1: White Mountains Moonscape

Auto mode was used here for focus stacking frames. In spite of focusing as close to the camera as magnified Live View would allow*, the foreground corners are not sharp even at f/9—a frustrating optical performance stemming from an outrageous usability restriction. For focus stacking—one would frequently have to tilt the camera down to allow focusing close and then recompose—an unacceptable and error-prone time-waster in fast-changing conditions.

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  • In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
  • How to configure menus and buttons and best operating practices, gotchas and how-to.
  • Real world examples with insights found nowhere else. Make sharper images just by understanding lens and camera behaviors.
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  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
Variants Stack6,SingleFrame available in full article

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