Get Zeiss Milvus 100mm f/2 at B&H Photo.
This apertures series runs from f/2 through f/22. It shows the outstanding resolving power and flat field of the Zeiss Milvus 100mm f/2M, along with just how devastating diffraction is to image quality at f/16 and f/22, particularly on the 45-megapixel Nikon D850.
Includes apertures from f/2 through f/22 at up to full camera resolution.
See also File Size as an Accurate Proxy for Image Detail for this series.