My new Brazilian resident cactus, Tacinga saxatilis, raises it's hackles at even the slightest sign of intruders. It is way too sensitive! Calm down, alright already . . .

This photo was taken by a Hasselblad 500C and Carl Zeiss Sonnar 1:4 f=150mm lens attached to a 21mm extension tube with a Kowa L39•3C(UV) filter using CineStill 50D film, the negative scanned by an Epson Perfection V600 and digitally rendered with Photoshop.