marginal differences

Exposure Date: 2014:02:07 11:44:54;
Make: NIKON CORPORATION;
Model: NIKON D300;
ExposureTime: 10/2000 s;
FNumber: f/16;
ISOSpeedRatings: 400;
ExposureProgram: Aperture priority;
ExposureBiasValue: 0/6;
MeteringMode: CenterWeightedAverage;
Flash: Flash did not fire;
FocalLength: 18 mm;
FocalLengthIn35mmFilm: 27 mm;
Software: Paint Shop Pro Photo 12.01;
ExifGpsLatitude: 48 49 48 48;
ExifGpsLatitudeRef: R98;