Daylight reversal, E-6. Ultra-fine grain with high saturation and steep contrast. Medium format virtually eliminates visible structure.
Measured parameters
Crystal size0.3
Luma RMS0.18
Chroma RMS0.25
DistributionBlue noise · single octave
Tonal responseShadow 0.15 · Mid 0.85 · Highlight 0.1
Chroma ratio1.5×
FormatMF
ProcessE-6
Visual samples
Velvia 50 · graded frame · grain applied
400% crop · midtone region
Tonal response · characteristic curve
Comparison
Clean
BEFOREClean footage — no grain
Velvia 50
AFTERSame frame with Velvia 50 grain applied