Anamorphic sharpness test – BMPCC4k, Leica R Lenses, and Kowa 8-Z: 90mm f2.8

Note: this video was focused by two synchronized motors linearly. So the result is inaccurate.

Sharpness test for Leica Elimarit R 90mm f2.8 and Kowa 8-Z on BMPCC4k.


Sharp enough.

Test movie

Full resolution screengrabs

Technical data

Object distance



Metabones Speedbooster XL 0.64x
Leica Elmarit R 90mm f2.8 @2.8 Wide open
Kowa 8-z 2x anamorphic
(No Variable-Diopter)


fps: 24
Shutter: 180
ISO: 500
BRAW 4K DCI (4096 x 2160) 3:1
Crop factor: 1.22x ( = 1.9 x 0.64 )


Colored with Davinci Resolve 16 (contrast only)
No crop.

Deliver setting

Youtube 2160p
Resolution: 4096 x 1716 DCI Scope 2.39
Format: QuickTime
Video Codec: H.264
Audio: Main 1 (Stereo)
Audio Codec: Linear PCM

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