Description Diadema mexicanum (along with a sea star Phataria unifascialis) seen in Galapagos. Author Rein KetelaarsJPG file - 1.74 MB - 4 352 x 3 264 pixels
Extra information Camera Maker: Nikon Camera Model: COOLPIX S710 Original Time Taken: 2010:10:14 10:11:29 Time Digitized: 2010:10:14 10:11:29 Shutter Speed: 1/100 sec Aperture: f/2.8 ISO Sensitivity: 100 Metering Mode: Pattern Flash Fired: Compulsory Flash Focal Length: 6 mm Focal Length Equivalent in 35mm Film: 28