This medium to far distance aperture series shows the performance range of the Pentax HD D FA 24-70mm f/2.8 SDM ED WR at 24mm from f/2.8 through f/13 on the Pentax K-1 II.
The issues here are field curvature and peripheral forward focus shift. Guidance is given on how to use the lens to its best given those behaviors.
Pentax HD DFA 24-70mm f/2.8 SDM ED Aperture Series @ 24mm: Sunset over Snowy Landscape, White Mountains View to Sierra Nevada
Includes images up to full camera resolution from f/2.8 through f/13.
f9 @ 1/400 sec, ISO 100; 2018-11-29 15:48:06[low-res image for bot]
[location “White Mountains”, altitude 8800 ft / 2682 m, 25°F / -3°C, Enhance Details, LACA corrected]
PENTAX K-1 Mark II + HD PENTAX-D FA 24-70mm F2.8ED SDM WR @ 24mm