Photo detail

Camera Maker Nikon Corporation Camera Model NIKON D90
Aperture f/11 Exposure Value 0 EV
Exposure Program Unknown: 0 Exposure Time 1/125 sec
Flash No Flash Focal Length 30 mm
ISO 200 Metering Mode Pattern
Date/Time 2012:06:23 14:55:28 Resolution Unit Inch
X Resolution 240 dots per ResolutionUnit Y Resolution 240 dots per ResolutionUnit
Compression Jpeg Compression Contrast 0
Exposure Mode 0 Saturation 0
Scene Type Directly Photographed Sharpness 0
Subject Distance 1.41 Caption Each hole. You can see the original alignment string going down one side, and the added top level string going diagonally across the hole.