Fujifilm GF 250mm f/4 R LM OIS WR Aperture Series: Headlight Closeup (Fujifilm GFX-50R)
See my Fujifilm medium format wishlist.
This MOD (Minimum Object Distance) series from f/4 through f/16 evaluates sharpness, depth of field, and especially secondary color correction.
Fujifilm GF 250mm f/4 R LM OIS WR Aperture Series: Headlight Closeup (Fujifilm GFX-50R)
Includes up to full camera resolution from f/4 through f/16.