Some remarks on the settings, which might be useful:
"Bright" (default setting [!]) and/or "Extra Sharpness" should be avoided when using high ISO numbers (see attached image). I mainly used as standard:
-
2:
Noise Reduction - Custom
ISO 0100-01250 - OFF
ISO 1600-02500 - +1
ISO 3200-05000 - +2
ISO 6400-51200 - +3
C3:
16. 1st Frame Action in AF.C - 3 (Focus-priority)
17. Action in AF.C Continuous - 3 (FPS-priority)
18. Hold AF Status - 4 (High) or 1 (Off)
C4:
27. Using Aperture Ring - 2 (Enable)
Custom Image:
Natural
Contrast +2
Fine Sharpness +2
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Attached image:
FA 100 Makro, f9, 1/800s, ISO 25600 - Details of a jalousie (inset: overall picture)
Comparison (ltr):
Bright (Contrast +1, Extra Sharpness +4)
Bright (Contrast +1, Sharpness +1)
Natural (Contrast 0, Sharpness 0)