Get Sigma 20mm f/1.4 DG HSM Art at B&H Photo.
This aperture series studies the Sigma 20mm f/1.4 DG HSM Art at close range, with vignetting of primary interest, but also bokeh.
Includes images up to 24 megapixels as well as large crops, from f/1.4 through f/13 along with crops.
The deer (oversize ground rats IMO) ruined my pumpkins in 2015, eating chunks out of them (as well as seriously damaging the vines) and consuming the largest pumpkin almost entirely. These pathetic specimens are the best I could do. They were supposed to be giant pumpkins. Oh well.