Description Mexico, Sonora, Puerto Peñasco, on sandy reef, intertidal under rocks, collected March 1964, ex coll. F.J.A. Slieker Jr.. Image by Joop Trausel and Frans SliekerAuthor Joop Trausel and Frans Slieker· JPG file - 52.39 kB - 437 x 362 pixels
Extra information Camera Maker: Canon Camera Model: Canon EOS 300D DIGITAL Original Time Taken: 2009:11:26 22:14:09 Time Digitized: 2009:11:26 22:14:09 Shutter Speed: 1/40 sec Aperture: f/16 ISO Sensitivity: 100 Exposure Compensation: 0 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 437 pixels Original Height: 362 pixels Orientation: 1: Horizontal (normal) White Balance: 1 Focal Length: 50 mm Focal Length Equivalent in 35mm Film: 516.78487123858