Phase One IQ4 + Schneider Kreuznach LS 40-80mm f/4-5.6 Aperture Series @ 55mm: Mosaic

This aperture series look at performance of the Schneider Kreuznach LS 40-80mm f/4-5.6 on a planar target at far distance. Key issues include sharpness across the frame and in particular, peripheral forward field curvature.

In diglloyd Medium Format:

One IQ4 + Schneider Kreuznach LS 40-80mm f/4-5.6 Aperture Series @ 55mm: Mosaic

Includes images up to full 150MP camera resolution (14204 X 10652) from f/5 through f/11 including 100 megapixel versions for perspective vs other medium format cameras, plus crops.

f8 @ 1/40 sec, ISO 64; 2019-11-29 08:51:03
Phase One IQ4 + Schneider Kreuznach LS 40-80mm f/4-5.6 @ 55mm
RAW: LACA corrected, USM {8,50,0}, SmartSharpen{120,0.7,0}

[low-res image for bot] Bottom of frame cropped off