Sigma 28mm f/1.4 DG HSM Aperture Series: Orange Poppies (Nikon D850)
See my Sigma SLR lenses wishlist at B&H Photo.
This pair of aperture series near MOD (Minimum Object Distance) evaluates sharpness and bokeh and secondary color.
Sigma 28mm f/1.4 DG HSM Aperture Series: Orange Poppies (Nikon D850)
Includes images up to full camera resolution from f/1.4 through f/4 and f/1.4 through f/6.3.