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Fujifilm GFX100S Review by Matt Granger: Banding Issue Fixed, 5 Stops Shadow Recovery Test, Autofocus and more

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Matt Granger tested the brand new Fujifilm GFX100S along with the Fujinon GF80mmF1.7.

Here are his thoughts from his various videos covering it.

Summary + Videos

Video 1

  • using the GF32-64mm combined with the GFX100S, he got great handheld sharp results at shutters speeds as low as 1/10th of a second
  • amazing IBIS
  • continous AF at 5fps was not great. Did a reasonable job only in 25% of his tracking attempts
  • it tracked people, lost them, then needed time to lock on the person again
  • he is going to test AF tracking more in depth and share his findings in a second video
  • he makes clear that he is shooting a pre-production sample and he is well aware that the firmware will change until the camera is released
  • AF ON button is more flush then he’d like
  • file size
    Super fine JPEG: 53+ MB (have an insane amount of detail)
    Lower Res JEPG: 9 MB
    RAW: 200+ MB
  • he prefers to carry a second battery rather than having a vertical grip. A vertical grip option would just add size, costs and weight
  • has lower resolution EVF compared to the original GFX100, but it was not realistic that Fuji would give you everything for a much cheaper price

Video 2

  • in his first test he didn’t really test continuous AF in zone mode and GFX shooters recommended him to set the camera on zone AF
  • so he did set zone AF
  • zone continuous AF works quite well actually, with mechanical shutter, boost AF mode with tracking focus priority (rather than release priority)
  • the camera is doing quite well in this mode, and by far the best option to get best AF tracking results
  • still it’s not near Canon, Sony and Nikon, but he also would not expect it
  • with zone AF you have a smaller zone where the camera will focus as opposed to wide tracking, and you’ll have to keep your subject in that frame
  • for medium format the AF is impressive
  • changing settings, the camera is responsive, no lags
  • he could not work with the RAW files, so it does not make sense to look at dynamic range, banding, etc.
  • probably performance is the same of GFX100
  • in JPEG he still noticed some PDAF banding but it wasn’t really pronounced
  • battery life: a full day of shooting, he used only 1 battery
  • some Zeiss Otus lenses cover the GFX100 sensor. from 70mm up it will cover the GFX sensor
  • he did not find the EVF laggy. Nice and responsive. Not an outstanding EVF, but also no complaints about it
  • GFX100S has overall better build quality than the GFX100
  • GF80mmF1.7 is beautifully sharp, great contrast and falloff in out of focus area. He is impressed. A great modern, well designed and quite good value lens

Video 3

  • insane image quality
  • as opposed to the original GFX100, he does not see lots of banding [Note: Fujifilm silently fixed it also on the GFX100 via firmware update… you know, those “fix of minor bugs” things ;)]
  • handling way better than GFX100
  • he consider buying GFX100S
  • AF is leaps ahead of any other MF camera
  • overwhelming amount of data and details
  • Fuji is right up with Canon colors
  • he recovers 4 stops of an underexposed image, and he says normally when you recover that much, the color go wonky, but with the GFX100S they remain beautiful – fairly incredible
  • he does not see banding issue when he makes 5 stops recovery
  • at some point it will get noisy (of course), but the colors stay beautiful. Some magenta in the shadow areas, but what can you expect when you push this far
  • quite impressive
  • it is not as clean as a 12 MP Sony A7S at high ISO, but it’s incredible how clean it is for a 102 megapixel camera
  • it’s remarkable to get 102 MP for $6,000
  • really ergonomic body
  • lenses are fantastic, but also big and heavy
  • you can still get shallower DOF with full frame

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