Spotty Cactus

spotty cactus

Another cactus shot from Arizona. I’m sure this is as boring as the flower pics everyone else posts for people who live in the desert but it’s all new to me!
Black vignetting caused by a polarizer!

Aperture ƒ/8
Camera Canon EOS 20D
Focal length 10mm
ISO 100
Shutter speed 1/200s