Zeiss ZM 85mm f/4 Tele-Tessar Aperture Series: Picnic Table (Leica M240)
The Zeiss ZM 85mm f/4 Tele-Tessar is about $940.
This aperture series was shot to explore general imaging characteristics.
In Guide to Leica:
Picnic Table (Leica M240 + Zeiss ZM 85mm f/4 Tele-Tessar)
This f/4 - f/11 aperture series includes HD and UltraHD images as well as the usual crops.