The dictionary of the Exif tags

Name Tag	Description
Artist	The name of photographer or image creator.
BitsPerSample	The brightness value (in APEX units).
Compression	The compression type.
Copyright	The copyright information.
DateTime	The date and time of image creation.
Make	The name of manufacturer of the camera
Model	The name of the model of the camera
Orientation	The orientation of image (how it is rotated relatively top left corner).
PhotometricInterpretation	The pixel composition.
PlanarConfiguration	The planar configuration of the pixel components (planar or chunky).
PrimaryChromaticities	The chromaticity of the three primary colors of the image.
ReferenceBlackWhite	The reference for black and white point of the image.
ResilutionUnit	The unit image resolution is measured at (i.e. XResolution and YResolution).
SamplesPerPixel	The number of components (channels) in one pixel.
Software	The name of the software that created this image.
TransferFunction	The transfer function in tabular form.
WhitePoint	The white point of the image.
Software	The name of the software that created this image.
XResolution	The horizontal resolution of the image.
YResolution	The vertical resolution of the image.
YCbCrCoefficients	The coefficients used during the transformation between RGB and YCbCr color spaces.
YCbCrPosition	The position of chrominance components relatively luminosity component.
YCbCrSubSampling	Sampling ratio of the chrominance components relatively luminosity component.