A blue one

Exposure Date: 2011:05:08 09:06:14;
Make: NIKON CORPORATION;
Model: NIKON D300S;
Exposure Time: 1/320.0 seconds s;
FNumber: f/4.5;
ISOSpeedRatings: ISO 500629904;
ExposureProgram: Other;
ExposureBiasValue: +-1 1/3
MeteringMode: Other;
Flash: unknown: 3310813184;
FocalLength: 105.0 mm mm;
Software: Ver.1.00;