D4
Exposure Date: 2013:08:26 20:18:43;
Copyright: LEX JENKINS 2013;
Make: RICOH;
Model: GR DIGITAL 4;
ExposureTime: 1/30 s;
FNumber: f/2;
ISOSpeedRatings: 1345;
ExposureProgram: Aperture priority;
ExposureBiasValue: 0/10;
MeteringMode: Pattern;
Flash: Flash did not fire, compulsory flash mode;
FocalLength: 6 mm;
Software: Adobe Photoshop Lightroom 4.4 (Windows);
LR4-GRD4-0021931.JPG
It reminded me of the Semaphore for letter D, numeral 4.