Mantis Shrimp eyes are supposedly the most complex in the animal kingdom, with thousands of receptors (color, shape, light, etc.), and capable of swiveling separately, as can be seen here.
File: 2006-12-07__0739__100mm.jpg File size: 1,363KB Camera Model: Canon EOS-1Ds Mark II Camera serial number: 305664 Firmware: Adobe Photoshop Elements 5.0 (20060914.r.77) Windows Date/Time: 2006:12:07 13:30:45 Shutter speed: 1/60 sec Aperture: 7.1 Exposure mode: Manual Flash: On Metering mode: Partial ISO: 200 Lens: 100mm Focal length: 100mm Image size: 1500 x 1125 Rotation: none Color profile: Adobe RGB (1998) User comments: "Mantis Shrimp eyes are supposedly the most complex in the animal kingdom, with thousands of receptors (color, shape, light, etc.), and capable of swiveling separately, as can be seen here."